- Docker Hub account, note your username
your-usernamename - Docker installed on desktop - instructions
Clone template
git clone https://github.com/mkol5222/nodeinfo.git
cd nodeinfo
Review Dockerfile
FROM node:10
# Create app directory
WORKDIR /usr/src/app
# Install app dependencies
# A wildcard is used to ensure both package.json AND package-lock.json are copied
# where available (npm@5+)
COPY package*.json ./
RUN npm install
# If you are building your code for production
# RUN npm ci --only=production
# Bundle app source
COPY . .
EXPOSE 8080
CMD [ "node", "server.js" ]
Build your image
# build
docker build -t <your-username>/nodeinfo .
# see locally
docker images
Run your image
# run
docker run -p 58080:8080 -d <your-username>/nodeinfo
# see running
docker ps
# see logs
docker logs <your container id>
# open browser to http://localhost:58080 or
curl -i localhost:58080
Output of `docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
eeb57d9b2b7d <your-username>/nodeinfo "docker-entrypoint.s…" 32 seconds ago Up 29 seconds 0.0.0.0:58080->8080/tcp practical_liskov
Enter container
# Enter the container
$ docker exec -it <container id> /bin/bash
# login with Docker Hub credentials
docker login
# upload image
docker push <your-username>/nodeinfo
# visit image at https://hub.docker.com
# e.g. https://hub.docker.com/r/mkol5222/nodeinfo
# run your image
kubectl run nodeinfo --image=mkol5222/nodeinfo
pod/nodeinfo created
# get info including IP and container creation information
kubectl describe pod/nodeinfo
# access inside cluster (e.g. "minikube ssh" first)
curl -i <pod-ip>:8080
I have uploaded(pushed) image also to GitHub Packages container image repository https://github.com/mkol5222/nodeinfo/packages
# pull
docker pull docker.pkg.github.com/mkol5222/nodeinfo/nodeinfo:1.0