fix: ✅ Copy package.json and package-lock.json in Dockerfile

Now the dockerfile will copy the package.json and package-lock.json. Additionally npm clean-install instead of install will be called in the root folder. This downloads all dependencies without possibly modifying the lock file.

.dockerignore

@@ -1,3 +1,15 @@
+# Node modules
 node_modules
+frontend/node_modules
+backend/node_modules
+
+# Build folders
+frontend/build
+backend/dist
+backend/static
+
+# Workers
+frontend/public/dist
+
 npm-debug.log
 .env.local

Dockerfile

@@ -13,13 +13,15 @@ EXPOSE 3001/tcp
 RUN useradd -m -s /bin/bash p4
 WORKDIR /home/p4/learn-sdn-hub
 
-# copy frontend and backend files to the image
+# copy necessary files to image
 COPY frontend frontend
 COPY backend backend
+COPY package.json .
+COPY package-lock.json .
 
-# build backend and frontend, create static backend
-RUN cd backend && npm install && npm run compile
-RUN cd frontend && npm install && npm run build && npm run create-static-backend
+# build frontend and create static backend
+RUN npm clean-install
+RUN cd frontend && npm run build && npm run create-static-backend
 
 # copy example startup script and use it as the entrypoint when running the container
 COPY examples/start-learn-sdn-hub.sh start-learn-sdn-hub.sh