Dockerizing app, work in progress

back-end/.dockerignore

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+node_modules
+build
+.dockerignore
+Dockerfile
+Dockerfile.prod

back-end/Dockerfile

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+# Base image
+FROM node:16
+
+# Set working directory so that all subsequent command runs in this folder
+WORKDIR /back-end
+
+# Copy package json and install dependencies
+COPY package*.json ./
+COPY package-lock.json ./
+
+RUN npm install
+
+# Copy our app
+COPY . /back-end
+
+# Expose port to access server
+EXPOSE 3001
+# Command to run our app
+CMD [ "npm", "run", "devStart"]

docker-compose.yml

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+version: "3"
+services:
+  # Create frontend container
+  frontend: # Name of our service
+    build: ./front-end # path to dockerfile
+    ports: # Port binding to host from docker container
+      - "3000:3000" # Bind port 3000 of host to 3000 of container
+    container_name: frontend-docker
+    restart: always # What to do if container crashes
+    links:
+      - backend
+  # Create backend container
+  backend:
+    # Create backend container
+    build: ./back-end
+    ports:
+      - "3001:3001"
+    container_name: backend-docker
+    restart: always
+    links:
+      - db
+  # Create database container
+  db:
+    image: mongo
+    ports:
+      - "5432:5432"
+    container_name: database-docker
+    restart: always

front-end/.dockerignore

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+node_modules
+build
+.dockerignore
+Dockerfile
+Dockerfile.prod

front-end/Dockerfile

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+# Base image
+FROM node:16
+
+# Set working directory so that all subsequent command runs in this folder
+WORKDIR /front-end
+
+# Copy package json and install dependencies
+COPY package*.json ./
+RUN npm install
+
+# Copy our app
+COPY . /front-end
+
+# Expose port to access server
+EXPOSE 3000
+
+# Command to run our app
+CMD [ "npm", "start" ]