Creating Docker Image from Node + Express Application
Create Dockerfile in the project and copy the following code in the file
# syntax=docker/dockerfile:1
FROM node:18-alpine
LABEL maintainer "[email protected]"
LABEL build_date "2024-02-06"
WORKDIR /app
COPY . .
RUN npm install
EXPOSE 3000
CMD ["node", "app.js"]
Create Docker Image using following command
docker build --tag c0883191-node-assignment3 .
docker images
Run the created Image using below commands
docker run --detach --publish 3000:3000 c0883191-node-assignment3:latest
docker run --detach --publish 3001:3000 c0883191-node-assignment3:latest
docker ps
Stop container using below commands
docker stop determined_proskuriakova
docker stop pensive_antonelli
docker ps
docker ps -a
Remove existing continers using below commands
docker rm 2b85acbe2eca
docker rm 98f12c58ce44
docker ps -a
Run the continers using environment variables
docker run --detach --publish 3000:80 -e PORT=80 c0883191-node-assignment3:latest
docker run --detach --publish 3000:80 -e PORT=80 -e NAME=C1 c0883191-node-assignment3:latest
docker run --detach --publish 3001:8080 -e PORT=8080 -e NAME=C1 c0883191-node-assignment3:latest
Run the continers using environment variables using file
docker run --detach --publish 3000:3000 --env-file my-env.txt c0883191-node-assignment3:latest
Tag your recently created image to publish on DockerHub registry
docker image tag c0883191-node-assignment3:latest sarthak99106/c0883191-node-assignment3:1.0.0
docker images
docker login
docker push sarthak99106/c0883191-node-assignment3:1.0.0
Pull and run the recently pushed image on local docker environment
docker pull sarthak99106/c0883191-node-assignment3:1.0.0
docker run -d -p 3000:3000 sarthak99106/c0883191-node-assignment3:1.0.0
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