![]() env-local to supply environment variables to the data:/data:rw maps the data directory on the host to /data in the container,Ĭommand: by default, when the command docker-compose run is issued,Įxecute python manage.py runserver 0.0.0.0:80 (this will override the CMD instruction in the Dockerfile)Įnv_file: use the. :/app:rw maps the parent directory on the host to /app in the container, with Ports: map the external port 8000 to the internal port 80 Links: a link to the database container ( database_default) In order, theīuild: build it from the Dockerfile in the current directory The first definition in the file is for the web service. Let’s look at the components of the file more closely. Some applications will have additional services (such as Celery for example) defined. env-local database_default : image : postgres:13.5-alpine environment : POSTGRES_DB : "db" POSTGRES_HOST_AUTH_METHOD : "trust" SERVICE_MANAGER : "fsm-postgres" volumes : - ".:/app:rw" links : - "database_default" ports : - "8000:80" volumes : - ".:/app:rw" - "./data:/data:rw" command : python manage.py runserver 0.0.0.0:80 env_file. Most Divio applications will use a docker-compose.yml that contains entries along these lines. There will typically also be a db service,įrom a standard postgres or other database image. Web service, that’s built in a container using the Dockerfile. Our How to deploy a webĪpplication guide includes steps for creating a complete docker-compose.yml fileįor a working local application, various things need to be defined in the file. This is a fairly straightforward process once you know what you are doing. If you start with a Build your own application type, you will need to assemble the docker-compose.yml file Of defined application types, it will include a docker-compose.yml file ready for local use, with the services When you create a new Divio application using one of our quickstart repositories or one In a docker-compose.yml file, services represent the containers that will be created in the application. ![]() Required, what ports they need to expose, whether they have access to the host filesystem, what commands should be run To configure the orchestration, Docker Compose uses a docker-compose.yml file. ![]() It’s what we use for our local development environments. ![]() There are multiple ways of orchestrating a Docker application, but Docker Compose is probably the most human-friendly. Part of an application, usually referred to as an ‘application’. In order to do something useful with containers, they have to be arranged - orchestrated - as This means that entries in or changes to docker-compose.yml will not affect cloud deployments in any way. Taken care of by dedicated systems on our servers. In the Divio application architecture, the docker-compose.yml file is not usedįor cloud deployments, but only for configuration of the local environment. Docker-compose.yml is used exclusively for local application set-up ![]()
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