Learn Docker by building a Microservice!
This is a companion project to my article on 'Learn Docker by building a Microservice' demonstrating key concepts of Docker using a Node.js microservice as an example.
You must have Docker installed for this code to work! Check the Installation Guide if you haven't got it installed.
To start or stop the test database, build the test-database image and run it:
cd ./test-database
docker build -t test-database .
docker run -it -p 3306:3306 test-databaseSome commands for working with the test server:
cd ./users-service
npm install # setup everything
npm test # unit test - no need for a test database running
npm start # run the server - you must have a test database running
npm run debug # run the server in debug mode, opens a browser with the inspector
npm run lint # check to see if the code is beautifulYou can also run the test server in its own container:
docker build -t users-service .
docker run -it -p 8123:8123 --link db:db -e DATABASE_HOST=DB users-serviceTo test the entire stack, run:
docker-compose build
docker-compose -d up
sleep 10 # give the database server enough time to start!
cd integration-test && npm start && cd ..
docker-compose -d down
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