Environment variable for frontend build

docker-compose.yml

@@ -25,5 +25,3 @@ services:
       dockerfile: Dockerfile_prod
     ports:
       - "3003:3000"
-    environment:
-      REACT_APP_API_URL: "http://192.168.1.171:8000"

frontend/Dockerfile_prod

@@ -21,6 +21,9 @@ RUN npm install
 # Copies everything over to Docker environment
 COPY . .
 
+ENV REACT_APP_API_URL="http://192.168.1.171:8000"
+
+
 # Build for production.
 RUN npm run build --production