feat: update Docker setup to use custom proxy image and remove redundant steps

.gitea/workflows/deploy.yml

@@ -26,16 +26,7 @@ jobs:
         run: |
           docker build --target runtime -t thoughts-backend:latest ./thoughts-backend
           docker build --target release -t thoughts-frontend:latest --build-arg NEXT_PUBLIC_API_URL=${{ secrets.NEXT_PUBLIC_API_URL }} ./thoughts-frontend
-
-      - name: List Files in Workspace
-        run: |
-          echo "--- Listing all files recursively ---"
-          ls -lR
-
-      - name: Dump Environment Variables for Debugging
-        run: |
-          echo "--- All available environment variables ---"
-          env | sort
+          docker build -t custom-proxy:latest ./nginx
 
       - name: Deploy with Docker Compose
         run: |

compose.prod.yml

@@ -49,7 +49,7 @@ services:
 
   proxy:
     container_name: thoughts-proxy
-    image: nginx:stable-alpine
+    image: custom-proxy:latest
     restart: unless-stopped
     volumes:
       - ${GITHUB_WORKSPACE}/nginx/nginx.conf:/etc/nginx/conf.d/default.conf

nginx/Dockerfile

@@ -0,0 +1,3 @@
+FROM nginx:stable-alpine
+
+COPY nginx.conf /etc/nginx/conf.d/default.conf