create dockerfile for nodejs application code example
Example 1: dockerfile nodejs
FROM node:10-alpine
RUN mkdir -p /home/node/app/node_modules && chown -R node:node /home/node/app
WORKDIR /home/node/app
COPY package*.json ./
USER node
RUN npm install
COPY --chown=node:node . .
EXPOSE 8080
CMD [ "node", "index.js" ]
Example 2: dockerfile for nodejs
FROM node:alpine
COPY ./ ./
RUN npm install
EXPOSE 8080
CMD ["npm", "start"]
Example 3: simple nodejs dockerfile
FROM node:12-alpine
WORKDIR /app
COPY package.json yarn.lock ./
RUN yarn install --production
COPY . .
CMD ["node", "/app/src/index.js"]