Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers.

Getting my hands dirty with docker.

This project is my way of exploring docker.

Primary sources of references were

• Docker Docs
• The Net Ninja

Running on local system

• Clone the repo using the --recursive flag to ensure that the submodule is also cloned
• Assuming docker is installed and running in your system use docker-compose up from the root directory of the project
• Visit localhost:3000, localhost:4000 and localhost:5000 on your browser.

Learnings

• Basic concepts of docker
• Configuring Dockerfile
• Building images
• Optimising build speed using layer caching
  
• Mapping volumes
• Creating and running containers
• Using docker compose to define and spin up multiple containerised applications at once
• Sharing docker images via docker hub
  • visit hello_moby_dock @ hub.docker

Dockerfile

Dockerfile: A text document that contains all the commands a user could call on the command line to assemble an image

• Head over to the dockerphile submodule.
• Changes to the Dockerfile are explained through comments

• We also write Dockerfiles for two other apps

  • A Express API backend (api)
  • A React app that reads data from the backend (myblog)

  
  

Docker Compose

Docker Compose: A tool that was developed to help define and share multi-container applications. With Compose, we can create a YAML file to define the services and with a single command, can spin everything up or tear it all down

• We define services in the docker-compose file and spin up all our applications at once using the docker-compose up command