Comon Dockerfile for Node Scripts

Dockerfile

FROM node:20.15.3-alpine AS base
RUN mkdir -p /opt/app
WORKDIR /opt/app
RUN adduser -S user
RUN chown -R user /opt/app
COPY package*.json ./

FROM base AS development
RUN npm install
COPY . ./
USER user
CMD ["sh"]

1. Build Image

   • docker build -t <IMAGE_NAME> .

2. Run container in detached mode

   • docker run -it --rm -d --name <CONTAINER_NAME> <IMAGE_NAME>
   • eg: docker run -it --rm -d --name my-app-demo weaponsforge/app-demo

3. Run a script from the running container

   • docker exec -it <CONTAINER_NAME> <NPM_SCRIPT>
   • eg: docker exec -it my-app-demo npm run dev

4. Stop the container

   • docker stop <CONTAINER_NAME>
   • eg: docker stop my-app-demo