FEAT: docker-compose with Dockerfile

.gitignore

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+.env

backend/Dockerfile

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+FROM node:lts-alpine3.13
+WORKDIR /usr/src/backend
+
+COPY . .
+RUN npm install
+RUN npm run build
+CMD npm run start

docker-compose.yml

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+version: '3'
+
+services:
+  database:
+    image: postgres
+    container_name: database
+    ports:
+      - "5432:5432"
+    environment:
+      POSTGRES_PASSWORD: "${DB_PASSWORD}"
+      POSTGRES_USER: "${DB_USERNAME}"
+      POSTGRES_DB: "${DB_NAME}"
+    volumes:
+      # - ./initdb.d:/docker-entrypoint-initdb.d
+      - ./db_data:/var/lib/postgresql/data
+
+  backend:
+    build: ./backend
+    container_name: backend
+    ports:
+      - "5000:5000"
+    env_file:
+      - ./backend/.env
+
+  frontend:
+    build: ./frontend
+    container_name: frontend
+    ports:
+      - "3000:3000"
+    env_file:
+      - ./frontend/.env

frontend/Dockerfile

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+FROM node:lts-alpine3.13
+WORKDIR /usr/src/frontend
+
+COPY . .
+RUN npm install
+RUN npm run build
+CMD npm run start