Add DB_PASSWORD secret handling for deployment

.woodpecker.yml

@@ -45,6 +45,8 @@ steps:
         from_secret: REGISTRY_USER
       REGISTRY_PASSWORD:
         from_secret: REGISTRY_PASSWORD
+      DB_PASSWORD:
+        from_secret: DB_PASSWORD
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     commands:
@@ -53,6 +55,8 @@ steps:
       - HOSTNAME=$(docker info --format "{{.Name}}")
       - echo "Deploying on $HOSTNAME"
       - echo "$${REGISTRY_PASSWORD}" | docker login -u "$${REGISTRY_USER}" --password-stdin git.nixc.us
+      # Create required secret for database password
+      - echo "$${DB_PASSWORD}" | docker secret create db_password - || echo "Secret db_password already exists"
       - docker stack deploy --with-registry-auth -c stack.production.yml ploughshares
     when:
       branch: main