chore: add Dockerfile and docker-compose for local development #52

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	# stage 1: build react frontend
	FROM node:20-alpine AS builder

	WORKDIR /app

	COPY package*.json ./

	RUN npm ci --ignore-scripts

	COPY . .

	RUN npm run build

	#stage 2: serve with nginx
	FROM nginx:alpine

	COPY nginx.conf /etc/nginx/conf.d/default.conf
	COPY --from=builder /app/dist /usr/share/nginx/html

	EXPOSE 80

	CMD ["nginx", "-g", "daemon off;"]

20 changes: 20 additions & 0 deletions mern/client/nginx.conf

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	server {
	listen 80;

	# server the built react static files
	location / {
	root /usr/share/nginx/html;
	index index.html index.htm;
	try_files $uri $uri/ /index.html;
	}

	# proxy layer: forward all /record API requests to the backend container
	location /record {
	proxy_pass http://backend:5050;
	proxy_http_version 1.1;
	proxy_set_header Upgrade $http_upgrade;
	proxy_set_header Connection 'upgrade';
	proxy_set_header Host $host;
	proxy_cache_bypass $http_upgrade;
	}
	}

42 changes: 42 additions & 0 deletions mern/docker-compose.yaml

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	version: '3.8'

	services:
	database:
	image: mongo:6-jammy
	ports:
	- "27017:27017"
	volumes:
	- mongo_data:/data/db
	deploy:
	resources:
	limits:
	memory: 512M


	backend:
	build: ./server
	ports:
	- "5050:5050"
	environment:
	- PORT=5050
	- ATLAS_URI=mongodb://database:27017/my_mern_db
	depends_on:
	- database
	deploy:
	resources:
	limits:
	memory: 512M

	frontend:
	build: ./client
	ports:
	- "3000:80"
	depends_on:
	- backend
	deploy:
	resources:
	limits:
	memory: 256M

	volumes:
	mongo_data:

15 changes: 15 additions & 0 deletions mern/server/dockerfile

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	FROM node:20-alpine

	WORKDIR /app

	COPY package*.json ./

	RUN npm ci --omit=dev --ignore-scripts

	COPY . .

	USER node

	EXPOSE 5050

	CMD [ "npm", "start" ]

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