Sync deploy: backend, frontend, worker, docker, config

docker/docker-compose.coolify-merged.yml

@@ -2,7 +2,8 @@
 # Coolify: single-file staging stack (no include:)
 # =============================================================================
 # Use this as "Docker Compose Location" in Coolify: docker/docker-compose.coolify-merged.yml
-# Base Directory: /. Set all env vars in Coolify Environment Variables.
+# Base Directory: /. Build contexts (backend, worker, frontend) are relative to Base Directory.
+# Set all env vars in Coolify Environment Variables.
 # Merges: base + staging-standalone + staging + staging-prod-frontend + staging-prod-api + prod + monitoring.
 # =============================================================================
 
@@ -223,7 +224,7 @@ services:
 
   api-gateway:
     build:
-      context: ../backend
+      context: backend
       dockerfile: Dockerfile.prod
     container_name: toolsplatform-api-gateway
     restart: unless-stopped
@@ -275,7 +276,7 @@ services:
 
   worker:
     build:
-      context: ../worker
+      context: worker
       dockerfile: Dockerfile.prod
     container_name: toolsplatform-worker
     restart: unless-stopped
@@ -316,7 +317,7 @@ services:
 
   frontend:
     build:
-      context: ../frontend
+      context: frontend
       dockerfile: Dockerfile.prod
     container_name: toolsplatform-frontend
     restart: unless-stopped