cd: always pull new image on OS deployment

adding a var which take the current date so change every time

.gitlab-ci.yml

@@ -189,6 +189,7 @@ docker-backend-mr:
   - sed -i "s|{{DOCUMENTS_DIR}}|$DOCUMENTS_DIR|g" deployment/00-backend-files.config-map.yml
   - sed -i "s|{{NODE_ENV}}|$NODE_ENV|g" deployment/00-backend-files.config-map.yml
   - sed -i "s|{{RATE_LIMIT_MAX}}|$RATE_LIMIT_MAX|g" deployment/00-backend-files.config-map.yml
+  - sed -i "s|{{DEPLOYMENT_TIMESTAMP}}|$(date +"%d.%m.%Y %H:%M")|g" deployment/00-backend-files.config-map.yml
 
   # Secrets
   - sed -i "s|{{API_KEY}}|$API_KEY|g" deployment/00-backend-files.secrets.yml

deployment/00-backend-files.config-map.yml

@@ -7,6 +7,7 @@ data:
   APP_LOG_DIR: "{{APP_LOG_DIR}}"
   APP_LOG_FILES_PREFIX: "backend-files"
   APP_LOG_MAX_LEVEL: "{{APP_LOG_MAX_LEVEL}}"
+  DEPLOYMENT_TIMESTAMP: "{{DEPLOYMENT_TIMESTAMP}}"
   DOCUMENTS_DIR: "{{DOCUMENTS_DIR}}"
   NODE_ENV: "{{NODE_ENV}}"
   RATE_LIMIT_MAX: "{{RATE_LIMIT_MAX}}"