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ordered online infrastructure

Technology Stack

  • Python 3
  • Django
  • Gunicorn
  • Daphne
  • Redis
  • Postgres
  • Docker
  • NGINX

Quickstart

Clone this repo recursively

$ git clone https://github.com/ordered-online/infrastructure --recursive

Otherwise simply run

$ git submodule update --init --recursive

Start the application with docker-compose in debug environment via

$ docker-compose --project-name ordered-online -f docker-compose.yml up

Start the application with docker-compose in production environment via

$ docker-compose --project-name ordered-online -f docker-compose.yml -f docker-compose.prod.yml up

Use the --build flag to rebuild all images or detach after build with -d. Note, that if detached, the logs are accessible via docker-compose logs -f.

If you are using macOS and the installation of Python 3 fails, because the python ssl extension throws an error, you have to set CFLAGS and LDFLAGS so that setup.py can find openssl headers. You can do so by setting the following environment variables

export CFLAGS="-I$(brew --prefix openssl)/include $CFLAGS"
export LDFLAGS="-L$(brew --prefix openssl)/lib $LDFLAGS"

Development

Use our docker setup for developing. With that, the submodule directories will get mounted as volumes into the service containers. To do so, simple use the following command to start the application with docker-compose in development environment:

$ docker-compose --project-name ordered-online up

Note that with that command, docker will automatically pick up both the docker-compose.yml (containing base configuration) and docker-compose.override.yml (containing volumes overrides) file.

Production

Build all images for production using:

$ docker-compose -f docker-compose.yml -f docker-compose.prod.yml build

Start the application with docker-compose in production environment via

$ docker-compose --project-name ordered-online -f docker-compose.yml -f docker-compose.prod.yml up

Deployment with Docker Swarm

Make sure you don't have a previous instance of the stack by removing the stack

$ docker stack rm ordered-online

Inspect your current worker node with:

$ docker node inspect self --pretty

Then remove your current node from the swarm cluster via:

$ docker swarm leave

If you were a manager node previously, you will have to do $ docker swarm leave --force to force the operation.

For docker swarm you will have to build all the images for the services in advance:

$ docker-compose build

Because a swarm consists of multiple Docker Engines, a registry is required to distribute images to all of them. You can use the Docker Hub or maintain your own. Here’s how to create a throwaway registry, which you can discard afterward.

$ docker service create --name registry --publish published=5000,target=5000 registry:2

Push all of your images to the registry with:

$ docker-compose push

Initialize a new swarm manager node via:

$ docker swarm init

And deploy our stack using:

$ docker stack deploy --compose-file docker-compose.yml -c docker-compose.prod.yml ordered-online

You can view your swarm node with the visualizer image provided by docker. Just start the container via:

$ docker run -it -d -p 8080:8080 -v /var/run/docker.sock:/var/run/docker.sock dockersamples/visualizer