84 lines
3.1 KiB
Markdown
84 lines
3.1 KiB
Markdown
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# Cookiecutter docker-compose template
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## Get started
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Get Cookiecutter like so:
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```
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pip install cookiecutter
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```
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Execute this template like so:
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```
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cookiecutter https://quico.space/Quico/py-cookiecutter-templates.git --directory 'docker-compose'
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```
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Cookiecutter interactively prompts you for the following info, here with example answers:
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```
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service []: grafana
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component_list [grafana]: grafana,nginx
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context []: cncf
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```
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Done, directory structure and files for your next `docker-compose` project are ready for you to hit the ground running.
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## Explanation and terminology
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Each `docker-compose` project forms a *__service__* that may consist of either a single or multiple *__components__*.
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The `service` variable by default is empty. In this example we've chosen to name the service `grafana`. We want `grafana` to consist of two components, namely Grafana itself and Nginx.
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Syntax for a multi-component `component_list` is a comma-separated list without spaces. The string `grafana,nginx` will be treated as a list of two components. Capitalization doesn't matter, we're lowercasing all strings automatically.
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The template prefills `component_list` with whatever you previously entered as the `service` name. To create directory structure for a _single-component service_ confirm the default. If `component_list` and `service` are identical directory structure will be that for a _single-component service_.
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The last prompt for a *__context__* is a generic string to help you distinguish deployments. It can be whatever you want such as for example a team name, here `cncf`.
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## Result
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### Multi-component service
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Above example of a multi-component (two in this case) `grafana` service will give you this directory structure:
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```
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.
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└── grafana
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├── build-context
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│ ├── grafana
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│ │ ├── docker-data
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│ │ │ └── .gitkeep
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│ │ ├── Dockerfile
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│ │ └── extras
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│ │ └── .gitkeep
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│ └── nginx
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│ ├── docker-data
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│ │ └── .gitkeep
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│ ├── Dockerfile
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│ └── extras
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│ └── .gitkeep
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├── common-settings.yml
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├── docker-compose.override.yml
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├── docker-compose.yml
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└── env
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└── fully.qualified.domain.name.example
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```
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Check out file contents over in the [examples/grafana subdir](/examples/grafana).
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### Single-component
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With an alternative single-component `hashicorpvault` service the result may look like this:
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```
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.
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└── hashicorpvault
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├── build-context
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│ ├── docker-data
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│ │ └── .gitkeep
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│ ├── Dockerfile
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│ └── extras
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│ └── .gitkeep
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├── common-settings.yml
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├── docker-compose.override.yml
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├── docker-compose.yml
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└── env
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└── fully.qualified.domain.name.example
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```
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Check out file contents over in the [examples/hashicorpvault subdir](/examples/hashicorpvault).
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