Boilerplate for node app Dockerfile

DockerFile

# create .dockerignore with node_modules, dist, etc

FROM node:18-alpine AS build
WORKDIR /app
COPY package*.json /app
RUN npm install
COPY . /app
RUN npm run build

FROM node:18.20.1-bullseye-slim AS production
ENV NODE_ENV=production
WORKDIR /app
EXPOSE 8000
COPY package*.json /app
RUN npm ci --only=production
COPY --chown=node:node --from=build /app/dist /app
USER node
CMD ["node", "index.js"]