diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..4e42810
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,67 @@
+### Database
+DB_HOST=
+DB_PORT=3306
+DB_USERNAME=
+DB_PASSWORD=
+DB_NAME=
+TZ=Europe/Paris
+
+### Database Migration
+#TARGET_DB_HOST=
+#TARGET_DB_PORT=3306
+#TARGET_DB_NAME=
+#TARGET_DB_USERNAME=
+#TARGET_DB_PASSWORD=
+
+### Backup restoration
+#FILE_NAME=
+### AWS  S3 Storage
+#ACCESS_KEY=
+#SECRET_KEY=
+#AWS_S3_BUCKET_NAME=
+#AWS_S3_ENDPOINT=
+#AWS_REGION=
+#AWS_S3_PATH=
+#AWS_DISABLE_SSL=false
+#AWS_FORCE_PATH_STYLE=true
+
+### Backup Cron Expression
+#BACKUP_CRON_EXPRESSION=@midnight
+
+####SSH Storage
+#SSH_HOST_NAME=
+#SSH_PORT=22
+#SSH_USER=
+#SSH_PASSWORD=
+#SSH_IDENTIFY_FILE=/tmp/id_ed25519
+
+####FTP Storage
+#FTP_PASSWORD=
+#FTP_HOST_NAME=
+#FTP_USER=
+#FTP_PORT=21
+#REMOTE_PATH=
+#### 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=
+#MAIL_USERNAME=
+#MAIL_PASSWORD=
+#MAIL_FROM=Backup Jobs <backup-jobs@example.com>
+#MAIL_TO=backup@example.com,me@example.com,team@example.com
+#MAIL_SKIP_TLS=false
+
+
+
diff --git a/Dockerfile b/Dockerfile
index 0eec7c3..42cf6f9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,48 +10,16 @@ RUN go mod download
 RUN CGO_ENABLED=0 GOOS=linux go build -o /app/mysql-bkup
 
 FROM alpine:3.20.3
-ENV DB_HOST=""
-ENV DB_NAME=""
-ENV DB_USERNAME=""
-ENV DB_PASSWORD=""
-ENV DB_PORT=3306
-ENV STORAGE=local
-ENV AWS_S3_ENDPOINT=""
-ENV AWS_S3_BUCKET_NAME=""
-ENV AWS_ACCESS_KEY=""
-ENV AWS_SECRET_KEY=""
-ENV AWS_S3_PATH=""
-ENV AWS_REGION="us-west-2"
-ENV AWS_DISABLE_SSL="false"
-ENV AWS_FORCE_PATH_STYLE="true"
-ENV GPG_PASSPHRASE=""
-ENV SSH_USER=""
-ENV SSH_PASSWORD=""
-ENV SSH_HOST=""
-ENV SSH_IDENTIFY_FILE=""
-ENV SSH_PORT=22
-ENV REMOTE_PATH=""
-ENV FTP_HOST=""
-ENV FTP_PORT=21
-ENV FTP_USER=""
-ENV FTP_PASSWORD=""
-ENV TARGET_DB_HOST=""
-ENV TARGET_DB_PORT=3306
-ENV TARGET_DB_NAME=""
-ENV TARGET_DB_USERNAME=""
-ENV TARGET_DB_PASSWORD=""
-ENV BACKUP_CRON_EXPRESSION=""
-ENV TG_TOKEN=""
-ENV TG_CHAT_ID=""
 ENV TZ=UTC
 ARG WORKDIR="/config"
 ARG BACKUPDIR="/backup"
 ARG BACKUP_TMP_DIR="/tmp/backup"
 ARG TEMPLATES_DIR="/config/templates"
-ARG appVersion="v1.2.12"
+ARG appVersion=""
 ENV VERSION=${appVersion}
 LABEL author="Jonas Kaninda"
 LABEL version=${appVersion}
+LABEL github="github.com/jkaninda/mysql-bkup"
 
 RUN apk --update add --no-cache mysql-client mariadb-connector-c tzdata ca-certificates
 RUN mkdir $WORKDIR
diff --git a/README.md b/README.md
index 2451d3b..2a636a6 100644
--- a/README.md
+++ b/README.md
@@ -99,7 +99,7 @@ networks:
  -e "DB_HOST=hostname" \
  -e "DB_USERNAME=user" \
  -e "DB_PASSWORD=password" \
- jkaninda/mysql-bkup backup -d dbName --cron-expression "@every 1m"
+ jkaninda/mysql-bkup backup -d dbName --cron-expression "@every 15m" #@midnight
 ```
 See: https://jkaninda.github.io/mysql-bkup/reference/#predefined-schedules
 
diff --git a/docs/index.md b/docs/index.md
index e26e2ac..bddd915 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -91,7 +91,7 @@ networks:
  -e "DB_HOST=hostname" \
  -e "DB_USERNAME=user" \
  -e "DB_PASSWORD=password" \
- jkaninda/mysql-bkup backup -d dbName --cron-expression "@every 1m"
+ jkaninda/mysql-bkup backup -d dbName --cron-expression "@every 15m" #@midnight
 ```
 See: https://jkaninda.github.io/mysql-bkup/reference/#predefined-schedules
 
diff --git a/pkg/config.go b/pkg/config.go
index 2eb4454..c227ca9 100644
--- a/pkg/config.go
+++ b/pkg/config.go
@@ -154,11 +154,11 @@ func initAWSConfig() *AWSConfig {
 	aConfig.region = os.Getenv("AWS_REGION")
 	disableSsl, err := strconv.ParseBool(os.Getenv("AWS_DISABLE_SSL"))
 	if err != nil {
-		utils.Fatal("Unable to parse AWS_DISABLE_SSL env var: %s", err)
+		disableSsl = false
 	}
 	forcePathStyle, err := strconv.ParseBool(os.Getenv("AWS_FORCE_PATH_STYLE"))
 	if err != nil {
-		utils.Fatal("Unable to parse AWS_FORCE_PATH_STYLE env var: %s", err)
+		forcePathStyle = false
 	}
 	aConfig.disableSsl = disableSsl
 	aConfig.forcePathStyle = forcePathStyle
@@ -253,7 +253,7 @@ func initRestoreConfig(cmd *cobra.Command) *RestoreConfig {
 func initTargetDbConfig() *targetDbConfig {
 	tdbConfig := targetDbConfig{}
 	tdbConfig.targetDbHost = os.Getenv("TARGET_DB_HOST")
-	tdbConfig.targetDbPort = os.Getenv("TARGET_DB_PORT")
+	tdbConfig.targetDbPort = utils.EnvWithDefault("TARGET_DB_PORT", "3306")
 	tdbConfig.targetDbName = os.Getenv("TARGET_DB_NAME")
 	tdbConfig.targetDbUserName = os.Getenv("TARGET_DB_USERNAME")
 	tdbConfig.targetDbPassword = os.Getenv("TARGET_DB_PASSWORD")
diff --git a/utils/utils.go b/utils/utils.go
index b57e064..18e2b2f 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -180,3 +180,10 @@ func GetIntEnv(envName string) int {
 	}
 	return ret
 }
+func EnvWithDefault(envName string, defaultValue string) string {
+	value := os.Getenv(envName)
+	if value == "" {
+		return defaultValue
+	}
+	return value
+}