made changes to compose

docker-compose.yml

@@ -11,11 +11,19 @@ services:
     build:
       context: ./frontend
       dockerfile: Dockerfile
+    command: >-
+      sh -lc "
+      if [ ! -d node_modules ] || [ -z \"$(ls -A node_modules 2>/dev/null)\" ]; then
+        echo '[frontend] Installing dependencies...';
+        npm install --silent;
+      fi;
+      npm start
+      "
     environment:
       - REACT_APP_API_URL=https://turftracker.kaspers.us/api
     volumes:
       - ./frontend:/app
-      - /app/node_modules
+      - frontend_node_modules:/app/node_modules
     depends_on:
       - backend
     networks:
@@ -35,6 +43,14 @@ services:
     build:
       context: ./backend
       dockerfile: Dockerfile
+    command: >-
+      sh -lc "
+      if [ ! -d node_modules ] || [ -z \"$(ls -A node_modules 2>/dev/null)\" ]; then
+        echo '[backend] Installing production dependencies...';
+        npm install --only=production --silent;
+      fi;
+      npm start
+      "
     environment:
       - NODE_ENV=development
       - DB_HOST=db
@@ -99,3 +115,5 @@ services:
 
 volumes:
   postgres_data:
+  frontend_node_modules:
+  backend_node_modules: