refactor: refactoring of code

.env.example

@@ -15,6 +15,7 @@ TZ=Europe/Paris
 
 ### Backup restoration
 #FILE_NAME=
+
 ### AWS  S3 Storage
 #ACCESS_KEY=
 #SECRET_KEY=
@@ -43,19 +44,30 @@ TZ=Europe/Paris
 #FTP_USER=
 #FTP_PORT=21
 #REMOTE_PATH=
+
+## Azure Blob Storage
+AZURE_STORAGE_CONTAINER_NAME=
+AZURE_STORAGE_ACCOUNT_NAME=
+AZURE_STORAGE_ACCOUNT_KEY=
+
 #### Backup encryption
 #GPG_PUBLIC_KEY=/config/public_key.asc
 #GPG_PRIVATE_KEY=/config/private_key.asc
 #GPG_PASSPHRASE=Your strong passphrase
+
 ## For multiple database backup on Docker or Docker in Swarm mode
 #BACKUP_CONFIG_FILE=/config/config.yaml
+
 ### Database restoration
 #FILE_NAME=
+
 ### Notification
 #BACKUP_REFERENCE=K8s/Paris cluster
+
 ## Telegram
 #TG_TOKEN=
 #TG_CHAT_ID=
+
 ### Email
 #MAIL_HOST=
 #MAIL_PORT=

Dockerfile

@@ -9,7 +9,7 @@ RUN go mod download
 # Build
 RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-X 'github.com/jkaninda/pg-bkup/utils.Version=${appVersion}'" -o /app/pg-bkup
 
-FROM alpine:3.20.3
+FROM alpine:3.21.0
 ENV TZ=UTC
 ARG WORKDIR="/config"
 ARG BACKUPDIR="/backup"

docs/how-tos/backup.md

@@ -38,6 +38,8 @@ services:
       - DB_NAME=database
       - DB_USERNAME=username
       - DB_PASSWORD=password
+      # You can also use JDBC format
+      #- DB_URL=jdbc:postgresql://postgres:5432/database?user=user&password=password
     # pg-bkup container must be connected to the same network with your database
     networks:
       - web
@@ -67,7 +69,7 @@ services:
     # for a list of available releases.
     image: jkaninda/pg-bkup
     container_name: pg-bkup
-    command:  backup -d database --cron-expression "0 1 * * *"
+    command:  backup -d database --cron-expression @midnight
     volumes:
       - ./backup:/backup
     environment:
@@ -76,7 +78,9 @@ services:
       - DB_NAME=database
       - DB_USERNAME=username
       - DB_PASSWORD=password
-      - BACKUP_CRON_EXPRESSION=0 1 * * *
+      - BACKUP_CRON_EXPRESSION=@midnight
+      # You can also use JDBC format
+      #- DB_URL=jdbc:postgresql://postgres:5432/database?user=user&password=password
       #Delete old backup created more than specified days ago
       #- BACKUP_RETENTION_DAYS=7
     # pg-bkup container must be connected to the same network with your database

docs/how-tos/migrate.md

@@ -38,12 +38,16 @@ services:
       - DB_NAME=database
       - DB_USERNAME=username
       - DB_PASSWORD=password
+      # You can also use JDBC format
+      #- DB_URL=jdbc:postgresql://postgres:5432/database?user=username&password=password
       ## Target database
       - TARGET_DB_HOST=target-postgres
       - TARGET_DB_PORT=5432
       - TARGET_DB_NAME=dbname
       - TARGET_DB_USERNAME=username
       - TARGET_DB_PASSWORD=password
+      # You can also use JDBC format
+      #- TARGET_DB_URL=jdbc:postgresql://target-postgres:5432/dbname?user=username&password=password
     # mysql-bkup container must be connected to the same network with your database
     networks:
       - web

docs/reference/index.md

@@ -32,43 +32,48 @@ Backup, restore and migrate targets, schedule and retention are configured using
 
 ## Environment variables
 
-| Name                   | Requirement                                                   | Description                                                     |
+| Name                         | Requirement                                                   | Description                                                     |
-|------------------------|---------------------------------------------------------------|-----------------------------------------------------------------|
+|------------------------------|---------------------------------------------------------------|-----------------------------------------------------------------|
-| DB_PORT                | Optional, default 5432                                        | Database port number                                            |
+| DB_PORT                      | Optional, default 5432                                        | Database port number                                            |
-| DB_HOST                | Required                                                      | Database host                                                   |
+| DB_HOST                      | Required                                                      | Database host                                                   |
-| DB_NAME                | Optional if it was provided from the -d flag                  | Database name                                                   |
+| DB_NAME                      | Optional if it was provided from the -d flag                  | Database name                                                   |
-| DB_USERNAME            | Required                                                      | Database user name                                              |
+| DB_USERNAME                  | Required                                                      | Database user name                                              |
-| DB_PASSWORD            | Required                                                      | Database password                                               |
+| DB_PASSWORD                  | Required                                                      | Database password                                               |
-| AWS_ACCESS_KEY         | Optional, required for S3 storage                             | AWS S3 Access Key                                               |
+| DB_URL                       | Optional                                                      | Database URL in JDBC URI format                                 |
-| AWS_SECRET_KEY         | Optional, required for S3 storage                             | AWS S3 Secret Key                                               |
+| AWS_ACCESS_KEY               | Optional, required for S3 storage                             | AWS S3 Access Key                                               |
-| AWS_BUCKET_NAME        | Optional, required for S3 storage                             | AWS S3 Bucket Name                                              |
+| AWS_SECRET_KEY               | Optional, required for S3 storage                             | AWS S3 Secret Key                                               |
-| AWS_BUCKET_NAME        | Optional, required for S3 storage                             | AWS S3 Bucket Name                                              |
+| AWS_BUCKET_NAME              | Optional, required for S3 storage                             | AWS S3 Bucket Name                                              |
-| AWS_REGION             | Optional, required for S3 storage                             | AWS Region                                                      |
+| AWS_BUCKET_NAME              | Optional, required for S3 storage                             | AWS S3 Bucket Name                                              |
-| AWS_DISABLE_SSL        | Optional, required for S3 storage                             | Disable SSL                                                     |
+| AWS_REGION                   | Optional, required for S3 storage                             | AWS Region                                                      |
-| AWS_FORCE_PATH_STYLE   | Optional, required for S3 storage                             | Force path style                                                |
+| AWS_DISABLE_SSL              | Optional, required for S3 storage                             | Disable SSL                                                     |
-| FILE_NAME              | Optional if it was provided from the --file flag              | Database file to restore (extensions: .sql, .sql.gz)            |
+| AWS_FORCE_PATH_STYLE         | Optional, required for S3 storage                             | Force path style                                                |
-| GPG_PASSPHRASE         | Optional, required to encrypt and restore backup              | GPG passphrase                                                  |
+| FILE_NAME                    | Optional if it was provided from the --file flag              | Database file to restore (extensions: .sql, .sql.gz)            |
-| GPG_PUBLIC_KEY         | Optional, required to encrypt backup                          | GPG public key, used to encrypt backup (/config/public_key.asc) |
+| GPG_PASSPHRASE               | Optional, required to encrypt and restore backup              | GPG passphrase                                                  |
-| BACKUP_CRON_EXPRESSION | Optional if it was provided from the `--cron-expression` flag | Backup cron expression for docker in scheduled mode             |
+| GPG_PUBLIC_KEY               | Optional, required to encrypt backup                          | GPG public key, used to encrypt backup (/config/public_key.asc) |
-| BACKUP_RETENTION_DAYS  | Optional                                                      | Delete old backup created more than specified days ago          |
+| BACKUP_CRON_EXPRESSION       | Optional if it was provided from the `--cron-expression` flag | Backup cron expression for docker in scheduled mode             |
-| SSH_HOST               | Optional, required for SSH storage                            | ssh remote hostname or ip                                       |
+| BACKUP_RETENTION_DAYS        | Optional                                                      | Delete old backup created more than specified days ago          |
-| SSH_USER               | Optional, required for SSH storage                            | ssh remote user                                                 |
+| SSH_HOST                     | Optional, required for SSH storage                            | ssh remote hostname or ip                                       |
-| SSH_PASSWORD           | Optional, required for SSH storage                            | ssh remote user's password                                      |
+| SSH_USER                     | Optional, required for SSH storage                            | ssh remote user                                                 |
-| SSH_IDENTIFY_FILE      | Optional, required for SSH storage                            | ssh remote user's private key                                   |
+| SSH_PASSWORD                 | Optional, required for SSH storage                            | ssh remote user's password                                      |
-| SSH_PORT               | Optional, required for SSH storage                            | ssh remote server port                                          |
+| SSH_IDENTIFY_FILE            | Optional, required for SSH storage                            | ssh remote user's private key                                   |
-| REMOTE_PATH            | Optional, required for SSH or FTP storage                     | remote path (/home/toto/backup)                                 |
+| SSH_PORT                     | Optional, required for SSH storage                            | ssh remote server port                                          |
-| FTP_HOST               | Optional, required for FTP storage                            | FTP host name                                                   |
+| REMOTE_PATH                  | Optional, required for SSH or FTP storage                     | remote path (/home/toto/backup)                                 |
-| FTP_PORT               | Optional, required for FTP storage                            | FTP server port number                                          |
+| FTP_HOST                     | Optional, required for FTP storage                            | FTP host name                                                   |
-| FTP_USER               | Optional, required for FTP storage                            | FTP user                                                        |
+| FTP_PORT                     | Optional, required for FTP storage                            | FTP server port number                                          |
-| FTP_PASSWORD           | Optional, required for FTP storage                            | FTP user password                                               |
+| FTP_USER                     | Optional, required for FTP storage                            | FTP user                                                        |
-| TARGET_DB_HOST         | Optional, required for database migration                     | Target database host                                            |
+| FTP_PASSWORD                 | Optional, required for FTP storage                            | FTP user password                                               |
-| TARGET_DB_PORT         | Optional, required for database migration                     | Target database port                                            |
+| TARGET_DB_HOST               | Optional, required for database migration                     | Target database host                                            |
-| TARGET_DB_NAME         | Optional, required for database migration                     | Target database name                                            |
+| TARGET_DB_PORT               | Optional, required for database migration                     | Target database port                                            |
-| TARGET_DB_USERNAME     | Optional, required for database migration                     | Target database username                                        |
+| TARGET_DB_NAME               | Optional, required for database migration                     | Target database name                                            |
-| TARGET_DB_PASSWORD     | Optional, required for database migration                     | Target database password                                        |
+| TARGET_DB_USERNAME           | Optional, required for database migration                     | Target database username                                        |
-| TG_TOKEN               | Optional, required for Telegram notification                  | Telegram token (`BOT-ID:BOT-TOKEN`)                             |
+| TARGET_DB_URL                | Optional                                                      | Database URL in JDBC URI format                                 |
-| TG_CHAT_ID             | Optional, required for Telegram notification                  | Telegram Chat ID                                                |
+| TARGET_DB_PASSWORD           | Optional, required for database migration                     | Target database password                                        |
-| TZ                     | Optional                                                      | Time Zone                                                       |
+| TG_TOKEN                     | Optional, required for Telegram notification                  | Telegram token (`BOT-ID:BOT-TOKEN`)                             |
+| TG_CHAT_ID                   | Optional, required for Telegram notification                  | Telegram Chat ID                                                |
+| TZ                           | Optional                                                      | Time Zone                                                       |
+| AZURE_STORAGE_CONTAINER_NAME | Optional, required for Azure Blob Storage storage             | Azure storage container name                                    |
+| AZURE_STORAGE_ACCOUNT_NAME   | Optional, required for Azure Blob Storage storage             | Azure storage account name                                      |
+| AZURE_STORAGE_ACCOUNT_KEY    | Optional, required for Azure Blob Storage storage             | Azure storage account key                                       |
 
 ---
 ## Run in Scheduled mode

go.mod

@@ -5,7 +5,7 @@ go 1.23.2
 require (
 	github.com/go-mail/mail v2.3.1+incompatible
 	github.com/jkaninda/encryptor v0.0.0-20241013064832-ed4bd6a1b221
-	github.com/jkaninda/go-storage v0.1.2
+	github.com/jkaninda/go-storage v0.1.3
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/spf13/cobra v1.8.1
 	gopkg.in/yaml.v3 v3.0.1

go.sum

@@ -46,6 +46,8 @@ github.com/jkaninda/encryptor v0.0.0-20241013064832-ed4bd6a1b221 h1:AwkCf7el1kze
 github.com/jkaninda/encryptor v0.0.0-20241013064832-ed4bd6a1b221/go.mod h1:9F8ZJ+ZXE8DZBo77+aneGj8LMjrYXX6eFUCC/uqZOUo=
 github.com/jkaninda/go-storage v0.1.2 h1:d7+TRPjmHXdSqO0wne3KAB8zt9ih8lf5D8aL4n7/Dds=
 github.com/jkaninda/go-storage v0.1.2/go.mod h1:zVRnLprBk/9AUz2+za6Y03MgoNYrqKLy3edVtjqMaps=
+github.com/jkaninda/go-storage v0.1.3 h1:lEpHVgFLKSvjsi/6tAek96Y07za3vxmsXF2/+jiCMZU=
+github.com/jkaninda/go-storage v0.1.3/go.mod h1:zVRnLprBk/9AUz2+za6Y03MgoNYrqKLy3edVtjqMaps=
 github.com/jlaffaye/ftp v0.2.0 h1:lXNvW7cBu7R/68bknOX3MrRIIqZ61zELs1P2RAiA3lg=
 github.com/jlaffaye/ftp v0.2.0/go.mod h1:is2Ds5qkhceAPy2xD6RLI6hmp/qysSoymZ+Z2uTnspI=
 github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=

main.go

@@ -1,4 +1,3 @@
-// Package main /
 /*
 MIT License
 
@@ -22,6 +21,7 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
+
 package main
 
 import "github.com/jkaninda/pg-bkup/cmd"

pkg/azure.go

@@ -10,7 +10,7 @@ import (
 )
 
 func azureBackup(db *dbConfig, config *BackupConfig) {
-	utils.Info("Backup database to the remote FTP server")
+	utils.Info("Backup database to Azure Blob Storage")
 	startTime = time.Now().Format(utils.TimeFormat())
 
 	// Backup database

pkg/config.go

@@ -80,7 +80,7 @@ type FTPConfig struct {
 	host       string
 	user       string
 	password   string
-	port       string
+	port       int
 	remotePath string
 }
 type AzureConfig struct {
@@ -94,7 +94,7 @@ type SSHConfig struct {
 	user         string
 	password     string
 	hostName     string
-	port         string
+	port         int
 	identifyFile string
 }
 type AWSConfig struct {
@@ -109,6 +109,14 @@ type AWSConfig struct {
 }
 
 func initDbConfig(cmd *cobra.Command) *dbConfig {
+	jdbcUri := os.Getenv("DB_URL")
+	if len(jdbcUri) != 0 {
+		config, err := convertJDBCToDbConfig(jdbcUri)
+		if err != nil {
+			utils.Fatal("Error: %v", err.Error())
+		}
+		return config
+	}
 	// Set env
 	utils.GetEnv(cmd, "dbname", "DB_NAME")
 	dConf := dbConfig{}
@@ -149,7 +157,7 @@ func loadSSHConfig() (*SSHConfig, error) {
 		user:         os.Getenv("SSH_USER"),
 		password:     os.Getenv("SSH_PASSWORD"),
 		hostName:     os.Getenv("SSH_HOST"),
-		port:         os.Getenv("SSH_PORT"),
+		port:         utils.GetIntEnv("SSH_PORT"),
 		identifyFile: os.Getenv("SSH_IDENTIFY_FILE"),
 	}, nil
 }
@@ -159,7 +167,7 @@ func loadFtpConfig() *FTPConfig {
 	fConfig.host = utils.GetEnvVariable("FTP_HOST", "FTP_HOST_NAME")
 	fConfig.user = os.Getenv("FTP_USER")
 	fConfig.password = os.Getenv("FTP_PASSWORD")
-	fConfig.port = os.Getenv("FTP_PORT")
+	fConfig.port = utils.GetIntEnv("FTP_PORT")
 	fConfig.remotePath = os.Getenv("REMOTE_PATH")
 	err := utils.CheckEnvVars(ftpVars)
 	if err != nil {
@@ -293,6 +301,20 @@ func initRestoreConfig(cmd *cobra.Command) *RestoreConfig {
 	return &rConfig
 }
 func initTargetDbConfig() *targetDbConfig {
+	jdbcUri := os.Getenv("TARGET_DB_URL")
+	if len(jdbcUri) != 0 {
+		config, err := convertJDBCToDbConfig(jdbcUri)
+		if err != nil {
+			utils.Fatal("Error: %v", err.Error())
+		}
+		return &targetDbConfig{
+			targetDbHost:     config.dbHost,
+			targetDbPort:     config.dbPort,
+			targetDbName:     config.dbName,
+			targetDbPassword: config.dbPassword,
+			targetDbUserName: config.dbUserName,
+		}
+	}
 	tdbConfig := targetDbConfig{}
 	tdbConfig.targetDbHost = os.Getenv("TARGET_DB_HOST")
 	tdbConfig.targetDbPort = utils.EnvWithDefault("TARGET_DB_PORT", "5432")

pkg/helper.go

@@ -29,6 +29,7 @@ import (
 	"fmt"
 	"github.com/jkaninda/pg-bkup/utils"
 	"gopkg.in/yaml.v3"
+	"net/url"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -36,7 +37,7 @@ import (
 )
 
 func intro() {
-	fmt.Println("Starting PosgreSQL Backup...")
+	fmt.Println("Starting PostgresSQL Backup...")
 	fmt.Printf("Version: %s\n", utils.Version)
 	fmt.Println("Copyright (c) 2024 Jonas Kaninda")
 }
@@ -69,6 +70,9 @@ func deleteTemp() {
 func testDatabaseConnection(db *dbConfig) {
 
 	utils.Info("Connecting to %s database ...", db.dbName)
+	// Set database name for notification error
+	utils.DatabaseName = db.dbName
+
 	// Test database connection
 	query := "SELECT version();"
 
@@ -193,3 +197,34 @@ func RemoveLastExtension(filename string) string {
 	}
 	return filename
 }
+func convertJDBCToDbConfig(jdbcURI string) (*dbConfig, error) {
+	// Remove the "jdbc:" prefix
+	jdbcURI = strings.TrimPrefix(jdbcURI, "jdbc:")
+	// Parse the URI
+	u, err := url.Parse(jdbcURI)
+	if err != nil {
+		return &dbConfig{}, fmt.Errorf("failed to parse JDBC URI: %v", err)
+	}
+	// Extract components
+	host := u.Hostname()
+	port := u.Port()
+	if port == "" {
+		port = "5432" // Default PostgreSQL port
+	}
+	database := strings.TrimPrefix(u.Path, "/")
+	params, _ := url.ParseQuery(u.RawQuery)
+	username := params.Get("user")
+	password := params.Get("password")
+	// Validate essential fields
+	if host == "" || database == "" || username == "" {
+		return &dbConfig{}, fmt.Errorf("incomplete JDBC URI: missing host, database, or username")
+	}
+
+	return &dbConfig{
+		dbHost:     host,
+		dbPort:     port,
+		dbName:     database,
+		dbUserName: username,
+		dbPassword: password,
+	}, nil
+}

pkg/remote.go

@@ -52,12 +52,13 @@ func sshBackup(db *dbConfig, config *BackupConfig) {
 	}
 
 	sshStorage, err := ssh.NewStorage(ssh.Config{
-		Host:       sshConfig.hostName,
+		Host:         sshConfig.hostName,
-		Port:       sshConfig.port,
+		Port:         sshConfig.port,
-		User:       sshConfig.user,
+		User:         sshConfig.user,
-		Password:   sshConfig.password,
+		Password:     sshConfig.password,
-		RemotePath: config.remotePath,
+		IdentifyFile: sshConfig.identifyFile,
-		LocalPath:  tmpPath,
+		RemotePath:   config.remotePath,
+		LocalPath:    tmpPath,
 	})
 	if err != nil {
 		utils.Fatal("Error creating SSH storage: %s", err)
@@ -103,6 +104,51 @@ func sshBackup(db *dbConfig, config *BackupConfig) {
 	utils.Info("Backup completed successfully")
 
 }
+func remoteRestore(db *dbConfig, conf *RestoreConfig) {
+	utils.Info("Restore database from remote server")
+	sshConfig, err := loadSSHConfig()
+	if err != nil {
+		utils.Fatal("Error loading ssh config: %s", err)
+	}
+
+	sshStorage, err := ssh.NewStorage(ssh.Config{
+		Host:         sshConfig.hostName,
+		Port:         sshConfig.port,
+		User:         sshConfig.user,
+		Password:     sshConfig.password,
+		IdentifyFile: sshConfig.identifyFile,
+		RemotePath:   conf.remotePath,
+		LocalPath:    tmpPath,
+	})
+	if err != nil {
+		utils.Fatal("Error creating SSH storage: %s", err)
+	}
+	err = sshStorage.CopyFrom(conf.file)
+	if err != nil {
+		utils.Fatal("Error copying backup file: %s", err)
+	}
+	RestoreDatabase(db, conf)
+}
+func ftpRestore(db *dbConfig, conf *RestoreConfig) {
+	utils.Info("Restore database from FTP server")
+	ftpConfig := loadFtpConfig()
+	ftpStorage, err := ftp.NewStorage(ftp.Config{
+		Host:       ftpConfig.host,
+		Port:       ftpConfig.port,
+		User:       ftpConfig.user,
+		Password:   ftpConfig.password,
+		RemotePath: conf.remotePath,
+		LocalPath:  tmpPath,
+	})
+	if err != nil {
+		utils.Fatal("Error creating SSH storage: %s", err)
+	}
+	err = ftpStorage.CopyFrom(conf.file)
+	if err != nil {
+		utils.Fatal("Error copying backup file: %s", err)
+	}
+	RestoreDatabase(db, conf)
+}
 func ftpBackup(db *dbConfig, config *BackupConfig) {
 	utils.Info("Backup database to the remote FTP server")
 	startTime = time.Now().Format(utils.TimeFormat())
@@ -169,48 +215,3 @@ func ftpBackup(db *dbConfig, config *BackupConfig) {
 	deleteTemp()
 	utils.Info("Backup completed successfully")
 }
-func remoteRestore(db *dbConfig, conf *RestoreConfig) {
-	utils.Info("Restore database from remote server")
-	sshConfig, err := loadSSHConfig()
-	if err != nil {
-		utils.Fatal("Error loading ssh config: %s", err)
-	}
-
-	sshStorage, err := ssh.NewStorage(ssh.Config{
-		Host:         sshConfig.hostName,
-		Port:         sshConfig.port,
-		User:         sshConfig.user,
-		Password:     sshConfig.password,
-		IdentifyFile: sshConfig.identifyFile,
-		RemotePath:   conf.remotePath,
-		LocalPath:    tmpPath,
-	})
-	if err != nil {
-		utils.Fatal("Error creating SSH storage: %s", err)
-	}
-	err = sshStorage.CopyFrom(conf.file)
-	if err != nil {
-		utils.Fatal("Error copying backup file: %s", err)
-	}
-	RestoreDatabase(db, conf)
-}
-func ftpRestore(db *dbConfig, conf *RestoreConfig) {
-	utils.Info("Restore database from FTP server")
-	ftpConfig := loadFtpConfig()
-	ftpStorage, err := ftp.NewStorage(ftp.Config{
-		Host:       ftpConfig.host,
-		Port:       ftpConfig.port,
-		User:       ftpConfig.user,
-		Password:   ftpConfig.password,
-		RemotePath: conf.remotePath,
-		LocalPath:  tmpPath,
-	})
-	if err != nil {
-		utils.Fatal("Error creating SSH storage: %s", err)
-	}
-	err = ftpStorage.CopyFrom(conf.file)
-	if err != nil {
-		utils.Fatal("Error copying backup file: %s", err)
-	}
-	RestoreDatabase(db, conf)
-}

pkg/restore.go

@@ -1,4 +1,3 @@
-// Package internal /
 /*
 MIT License
 

templates/email-error.tmpl

@@ -1,18 +1,69 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
     <meta charset="UTF-8">
-    <title>🔴 Urgent: Database Backup Failure Notification</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>🔴 Urgent: Database Backup Failure</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            background-color: #f8f9fa;
+            color: #333;
+            margin: 0;
+            padding: 20px;
+        }
+        h2 {
+            color: #d9534f;
+        }
+        .details {
+            background-color: #ffffff;
+            border: 1px solid #ddd;
+            padding: 15px;
+            border-radius: 5px;
+            margin-top: 10px;
+        }
+        .details ul {
+            list-style-type: none;
+            padding: 0;
+        }
+        .details li {
+            margin: 5px 0;
+        }
+        a {
+            color: #0275d8;
+            text-decoration: none;
+        }
+        a:hover {
+            text-decoration: underline;
+        }
+        footer {
+            margin-top: 20px;
+            font-size: 0.9em;
+            color: #6c757d;
+        }
+    </style>
 </head>
 <body>
-<h2>Hi,</h2>
+    <h2>🔴 Urgent: Database Backup Failure Notification</h2>
-<p>An error occurred during database backup.</p>
+    <p>Dear Team,</p>
-<h3>Failure Details:</h3>
+    <p>An error occurred during the database backup process. Please review the details below and take the necessary actions:</p>
-<ul>
+
-<li>Error Message: {{.Error}}</li>
+    <div class="details">
-<li>Date: {{.EndTime}}</li>
+        <h3>Failure Details:</h3>
-<li>Backup Reference: {{.BackupReference}} </li>
+        <ul>
-</ul>
+            <li><strong>Database Name:</strong> {{.DatabaseName}}</li>
-<p>©2024 <a href="https://github.com/jkaninda/pg-bkup">pg-bkup</a></p>
+            <li><strong>Error Message:</strong> {{.Error}}</li>
+            <li><strong>Date:</strong> {{.EndTime}}</li>
+            <li><strong>Backup Reference:</strong> {{.BackupReference}}</li>
+        </ul>
+    </div>
+
+    <p>We recommend investigating the issue as soon as possible to prevent potential data loss or service disruptions.</p>
+
+    <p>For more information, visit the <a href="https://jkaninda.github.io/pg-bkup">pg-bkup documentation</a>.</p>
+
+    <footer>
+        &copy; 2024 <a href="https://github.com/jkaninda/pg-bkup">pg-bkup</a> | Automated Backup System
+    </footer>
 </body>
-</html>
+</html>

templates/email.tmpl

@@ -1,23 +1,70 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
     <meta charset="UTF-8">
-    <title>✅  Database Backup Notification – {{.Database}}</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>✅ Database Backup Successful – {{.Database}}</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            background-color: #f8f9fa;
+            color: #333;
+            margin: 0;
+            padding: 20px;
+        }
+        h2 {
+            color: #5cb85c;
+        }
+        .details {
+            background-color: #ffffff;
+            border: 1px solid #ddd;
+            padding: 15px;
+            border-radius: 5px;
+            margin-top: 10px;
+        }
+        .details ul {
+            list-style-type: none;
+            padding: 0;
+        }
+        .details li {
+            margin: 5px 0;
+        }
+        a {
+            color: #0275d8;
+            text-decoration: none;
+        }
+        a:hover {
+            text-decoration: underline;
+        }
+        footer {
+            margin-top: 20px;
+            font-size: 0.9em;
+            color: #6c757d;
+        }
+    </style>
 </head>
 <body>
-<h2>Hi,</h2>
+    <h2>✅ Database Backup Successful</h2>
-<p>Backup of the {{.Database}} database has been successfully completed on {{.EndTime}}.</p>
+    <p>Dear Team,</p>
-<h3>Backup Details:</h3>
+    <p>The backup process for the <strong>{{.Database}}</strong> database was successfully completed. Please find the details below:</p>
-<ul>
+
-<li>Database Name: {{.Database}}</li>
+    <div class="details">
-<li>Backup Start Time: {{.StartTime}}</li>
+        <h3>Backup Details:</h3>
-<li>Backup End Time: {{.EndTime}}</li>
+        <ul>
-<li>Backup Storage: {{.Storage}}</li>
+            <li><strong>Database Name:</strong> {{.Database}}</li>
-<li>Backup Location: {{.BackupLocation}}</li>
+            <li><strong>Backup Start Time:</strong> {{.StartTime}}</li>
-<li>Backup Size: {{.BackupSize}} bytes</li>
+            <li><strong>Backup End Time:</strong> {{.EndTime}}</li>
-<li>Backup Reference: {{.BackupReference}} </li>
+            <li><strong>Backup Storage:</strong> {{.Storage}}</li>
-</ul>
+            <li><strong>Backup Location:</strong> {{.BackupLocation}}</li>
-<p>Best regards,</p>
+            <li><strong>Backup Size:</strong> {{.BackupSize}} bytes</li>
-<p>©2024 <a href="https://github.com/jkaninda/pg-bkup">pg-bkup</a></p>
+            <li><strong>Backup Reference:</strong> {{.BackupReference}}</li>
+        </ul>
+    </div>
+
+    <p>You can access the backup at the specified location if needed. Thank you for using <a href="https://jkaninda.github.io/pg-bkup/">pg-bkup</a>.</p>
+
+    <footer>
+        &copy; 2024 <a href="https://github.com/jkaninda/pg-bkup">pg-bkup</a> | Automated Backup System
+    </footer>
 </body>
-</html>
+</html>

templates/telegram-error.tmpl

@@ -1,8 +1,11 @@
 🔴 Urgent: Database Backup Failure Notification
-Hi,
+
-An error occurred during database backup.
+Dear Team,
+An error occurred during the database backup process.
+Please review the details below and take the necessary actions:
 Failure Details:
+- Database Name: {{.DatabaseName}}
 - Date: {{.EndTime}}
 - Backup Reference: {{.BackupReference}}
 - Error Message: {{.Error}}
-
+We recommend investigating the issue as soon as possible to prevent potential data loss or service disruptions.

templates/telegram.tmpl

@@ -1,6 +1,8 @@
-✅  Database Backup Notification – {{.Database}}
+✅ Database Backup Successful
-Hi,
+
-Backup of the {{.Database}} database has been successfully completed on {{.EndTime}}.
+Dear Team,
+The backup process for the {{.Database}} database was successfully completed.
+Please find the details below:
 
 Backup Details:
 - Database Name: {{.Database}}
@@ -10,3 +12,5 @@ Backup Details:
 - Backup Location: {{.BackupLocation}}
 - Backup Size: {{.BackupSize}} bytes
 - Backup Reference: {{.BackupReference}}
+
+You can access the backup at the specified location if needed.

utils/config.go

@@ -50,6 +50,7 @@ type ErrorMessage struct {
 	EndTime         string
 	Error           string
 	BackupReference string
+	DatabaseName    string
 }
 
 // loadMailConfig gets mail environment variables and returns MailConfig
@@ -81,3 +82,5 @@ func backupReference() string {
 }
 
 const templatePath = "/config/templates"
+
+var DatabaseName = ""

utils/notification.go

@@ -167,6 +167,7 @@ func NotifyError(error string) {
 			Error:           error,
 			EndTime:         time.Now().Format(TimeFormat()),
 			BackupReference: os.Getenv("BACKUP_REFERENCE"),
+			DatabaseName:    DatabaseName,
 		}, "email-error.tmpl")
 		if err != nil {
 			Error("Could not parse error template: %v", err)
@@ -183,6 +184,7 @@ func NotifyError(error string) {
 			Error:           error,
 			EndTime:         time.Now().Format(TimeFormat()),
 			BackupReference: os.Getenv("BACKUP_REFERENCE"),
+			DatabaseName:    DatabaseName,
 		}, "telegram-error.tmpl")
 		if err != nil {
 			Error("Could not parse error template: %v", err)

utils/utils.go

@@ -254,7 +254,3 @@ func CronNextTime(cronExpr string) time.Time {
 	next := schedule.Next(now)
 	return next
 }
-func UsageErrorf(cmd *cobra.Command, message string, args ...interface{}) error {
-	msg := fmt.Sprintf(message, args...)
-	return fmt.Errorf("%s\nSee '%s -h' for help and examples", msg, cmd.CommandPath())
-}