docs: update deployment example

docs/how-tos/deploy-on-kubernetes.md

@@ -193,7 +193,6 @@ spec:
             command:
             - /bin/sh
             - -c
-            - bkup
             - backup --storage ssh --disable-compression
             resources:
               limits:

docs/reference/index.md

@@ -123,7 +123,7 @@ You may use one of several pre-defined schedules in place of a cron expression.
 | @hourly                | Run once an hour, beginning of hour        | 0 * * * *     |
 
 ### Intervals
-You may also schedule a job to execute at fixed intervals, starting at the time it's added or cron is run. This is supported by formatting the cron spec like this:
+You may also schedule backup task at fixed intervals, starting at the time it's added or cron is run. This is supported by formatting the cron spec like this:
 
 @every <duration>
 where "duration" is a string accepted by time.

examples/docker-compose.scheduled.local.yaml

@@ -3,7 +3,7 @@ services:
   pg-bkup:
     image: jkaninda/pg-bkup
     container_name: pg-bkup
-    command: backup --dbname database_name --mode scheduled --period "0 1 * * *"
+    command: backup --dbname database_name
     volumes:
       - ./backup:/backup
     environment:
@@ -11,3 +11,4 @@ services:
       - DB_HOST=postgress
       - DB_USERNAME=userName
       - DB_PASSWORD=${DB_PASSWORD}
+      - BACKUP_CRON_EXPRESSION=0 1 * * *

examples/docker-compose.scheduled.s3.yaml

@@ -6,7 +6,7 @@ services:
     # for a list of available releases.
     image: jkaninda/pg-bkup
     container_name: pg-bkup
-    command: backup --storage s3 -d my-database --mode scheduled --period "0 1 * * *"
+    command: backup --storage s3 -d my-database
     environment:
       - DB_PORT=5432
       - DB_HOST=postgres
@@ -21,6 +21,7 @@ services:
       - AWS_SECRET_KEY=xxxxx
       ## In case you are using S3 alternative such as Minio and your Minio instance is not secured, you change it to true
       - AWS_DISABLE_SSL="false"
+      - BACKUP_CRON_EXPRESSION=0 1 * * *
       # pg-bkup container must be connected to the same network with your database
     networks:
       - web