allow for custom ports

docker-compose.yml

@@ -7,7 +7,7 @@ services:
     container_name: scoffer-mongodb
     restart: unless-stopped
     ports:
-      - "27017:27017"
+      - "${MONGODB_PORT:-27017}:27017"
     volumes:
       - mongodb_data:/data/db
       - ./backend/seedData.js:/docker-entrypoint-initdb.d/01-seedData.js:ro
@@ -34,7 +34,7 @@ services:
       - MONGODB_DATABASE=scoffer
       - JWT_SECRET=${JWT_SECRET}
     ports:
-      - "5000:5000"
+      - "${BACKEND_PORT:-5000}:5000"
     depends_on:
       mongodb:
         condition: service_healthy
@@ -56,7 +56,7 @@ services:
     environment:
       - REACT_APP_API_URL=${REACT_APP_API_URL:-http://backend:5000/api}
     ports:
-      - "3000:80"
+      - "${FRONTEND_PORT:-3000}:80"
     depends_on:
       - backend
     networks:
@@ -68,7 +68,7 @@ services:
     container_name: scoffer-mongo-express
     restart: unless-stopped
     ports:
-      - "8081:8081"
+      - "${MONGO_EXPRESS_PORT:-8081}:8081"
     environment:
       ME_CONFIG_MONGODB_URL: mongodb://mongodb:27017/
       ME_CONFIG_BASICAUTH: false