$ docker build -t node-hot-reload-docker.
We’ll build the image and run nodemon so that the code is rebuilt whenever there is any change inside the app directory. If any files change, nodemon will automatically restart your node application. Nodemon is a popular package which will watch the files in the directory in which it was started. Then you would mount the source code files into the container for starting and stopping the node server. Now let’s say you want this to work every time you change your code. The app will be available at Use Ctrl+C to quit. $ docker run -rm -it -p 8080:8080 node-docker-dev gitīuild and run this image: $ cd node-docker dockerignore file to the context directory. To increase the docker build’s performance, exclude files and directories by adding a. Simple Dockerfile Exampleįor the base image, we have used the latest LTS version node:carbonĭuring image build, docker takes all files in the context directory. For brevity, let’s assume that server.js defines a node express server running on port 8080. The top level directory has a Dockerfileand package.json The source code of your node app will be in src folder. Let’s assume a simple directory structure. If you’d like to jump right ahead to the code, check out the GitHub repo. #ProTips - 1) Using COPY over ADD 2) Handling CTRL-C Kernel Signals using init flag.Using multi-stage alpine build to reduce final image size for production.Serving static files (bundles generated via React/Vue/Angular) using serve package.