Docker Django Demo

Demo repository for a Django Docker implementation. Full Docker documentation is available here.

Common Docker Commands

Docker commands are used to manipulate images and containers on a one-to-one basis. These are often used for building images and micro-managing networks at the container level.

$ docker ps                                            # Prints to console all running services
$ docker images                                        # Prints to console all local images
$ docker build -t andrewxyz/docker-django-image ./demo # Builds an image with the designated tag from the given context (./demo)
$ docker run -it andrewxyz/docker-django-image         # Spins up a container with the selected image
$ docker run -it \                                     # Same command, but with flags for:
    -dp 8080:8000                                      #    Detatched mode, Port mapping
    --name docker-django-container \                   #    Container naming
    andrewxyz/docker-django-image
$ docker inspect andrewxyz/docker-django-container     # Shows runtime details for the selected container
$ docker exec -it docker-django-container /bin/bash    # Shells into the selected container
$ docker kill docker-django-container                  # Stops the running container
$ docker rmi andrewxyz/docker-django-image             # Removes the selected image from the host filesystem

$ docker system prune -a                               # Cleans up the host of any unused images
$ docker volume prune                                  # Cleans up the host of any unused volumes
$ docker volume ls                                     # Lists volumes
$ docker volume rm postgres                            # Removes the selected volume from the host filesystem

Common Docker Compose Commands

Docker compose commands serve as an instruction set for how images and containers are run, applying tags and settings in a consistent way. This also provides a means for networking between containers.

$ docker compose up                                    # Starts the docker compose network, building or pulling images as needed
$ docker compose up --build                            # Optional build switch to force image rebuilds from cache
$ docker compose up -d                                 # Runs the docker compose network in detatched mode
$ docker compose -f docker-compose.yml up              # Designates a docker compose file to run
$ docker compose exec app /bin/bash                    # Shells into the selected container
$ docker compose down                                  # Brings the docker compose network down

Common Docker Hub Commands

Simple commands for interfacing with the DockerHub registry, available here.

$ docker login                                         # Logs the user in to a DockerHub account
$ docker pull postgres:latest                          # Pulls the selected image
$ docker push andrewxyz/docker-django-image            # Pushes the selected image to DockerHub