This repo contains nodejs app and a dockerfile, To use, follow the steps below

Step 1: Clone the repo

https://github.com/Roslaan001/docker-nodejs-with-mongodb
cd docker-nodejs-with-mongodb

Step 2: Build the image

docker build -t <dockerusername>/<appname>:<versionnumber> .

Step 3: Push the image to docker registry (dockerhub)

docker push <dockerusername>/<appname>:<versionnumber>

Step 4: Run the one container (Nodejs) (This is optional)

docker run -p 3000:3000 <dockerusername>/<appname>:<versionnumber>

Step 5: Run the docker compose file

docker-compose up

Step 6: check your app and database

localhost:3000 - Nodejs app
localhost:8081 username: user password: pass -  mongodb/mongo-express