Add Docke Entrypoint

docs/how-tos/backup.md

@@ -7,7 +7,7 @@ nav_order: 1
 
 # Backup database
 
-To backup the database, you need to add `backup` subcommand to `pg-bkup` or `bkup`.
+To backup the database, you need to add `backup` command.
 
 {: .note }
 The default storage is local storage mounted to __/backup__. The backup is compressed by default using gzip. The flag __`disable-compression`__ can be used when you need to disable backup compression.
@@ -15,7 +15,9 @@ The default storage is local storage mounted to __/backup__. The backup is compr
 {: .warning }
 Creating a user for backup tasks who has read-only access is recommended!
 
-The backup process can be run in scheduled mode for the recurring backups.
+The backup process can be run in scheduled mode for the recurring backups on Docker or Docker Swarm.
+On Kubernetes it can be run as CronJob, you don't need to run it in Scheduled mode.
+
 It handles __recurring__ backups of postgres database on Docker and can be deployed as __CronJob on Kubernetes__ using local, AWS S3 or SSH compatible storage.
 
 ```yml
@@ -27,10 +29,7 @@ services:
     # for a list of available releases.
     image: jkaninda/pg-bkup
     container_name: pg-bkup
-    command:
-      - /bin/sh
-      - -c
-      - pg-bkup backup -d database
+    command: backup -d database
     volumes:
       - ./backup:/backup
     environment:
@@ -54,7 +53,7 @@ networks:
  -e "DB_HOST=dbhost" \
  -e "DB_USERNAME=username" \
  -e "DB_PASSWORD=password" \
- jkaninda/pg-bkup  pg-bkup backup -d database_name
+ jkaninda/pg-bkup backup -d database_name
 ```
 
 In case you need to use recurring backups, you can use `--mode scheduled` and specify the periodical backup time by adding `--period "0 1 * * *"` flag as described below.
@@ -68,10 +67,7 @@ services:
     # for a list of available releases.
     image: jkaninda/pg-bkup
     container_name: pg-bkup
-    command:
-      - /bin/sh
-      - -c
-      - pg-bkup backup -d database --mode scheduled --period "0 1 * * *"
+    #command:  backup -d database --mode scheduled --period "0 1 * * *"
     volumes:
       - ./backup:/backup
     environment: