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kevinveenbirkenbachandClaude Opus 5
c55f508e05
The cosmos generator linked a consumer to its provider only through an '<role>' in group_names reference or an explicit provides: name. A hard dependency has neither -- pinning the provider on unconditionally is exactly what removes the Jinja reference the generator was reading -- so web-svc-asset's bond to web-svc-file vanished from the diagram the moment it became binding. Match a service key against the provider's own primary key from the registry, in both directions. Services the role turns off drew a solid 1:1 edge, claiming a mandatory relationship for something that carries nothing at deploy time. They now render as a red 0..0 edge; edge merging gained a real precedence so a provider consumed through two keys stays live when only one is off. Named colour, not hex: a '#' opens an entity code in the mermaid lexer and turns the whole diagram into a parse error on GitHub. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
43 lines
2.8 KiB
Markdown
43 lines
2.8 KiB
Markdown
# Docker Compose
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## Description
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This Ansible role manages Docker Compose project structures and workflows for applications on Arch Linux. It creates dedicated instance directories, manages `.env` and `compose.yml` files, and provides automation logic for project reset, rebuild, and startup sequences.
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Refer to the [Docker Compose documentation](https://docs.docker.com/compose/) and the [Arch Wiki – Docker](https://wiki.archlinux.org/title/Docker) for more details.
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## Overview
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This role creates a flexible directory layout for managing Docker Compose projects across environments. It ensures directories are initialized, optionally reset, and kept clean using internal flags like `MODE_RESET` or `MODE_CLEANUP`.
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## Cosmos
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The diagram places Docker Compose in the Infinito.Nexus cosmos: the components it deploys (capabilities), the central services it consumes (dependencies), and its outward reach (federation and bridged external networks).
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```mermaid
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flowchart LR
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subgraph role [sys-svc-compose 💻]
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svc_svc_compose["svc-compose"]
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end
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```
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Solid `1:1` edges are fixed relationships; dashed `0..1` edges are conditional (enabled only in matching deployments); red `0..0` edges are turned off in this role. Node markers show the role's deploy modes (💻 host, 🐳 compose, 🐝 swarm); ❌ marks a service that is explicitly turned off, and ⚙️ an Ansible role dependency declared in `meta/main.yml`.
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## Purpose
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To offer a centralized, extensible system for managing containerized applications using Docker Compose within the Infinito.Nexus architecture. The role allows easy integration of services, secrets, configurations, and custom behaviors per application.
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## Features
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- **Dynamic Directory Structure:** Creates per-application instance folders for Compose setups.
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- **Reset Logic:** Cleans previous Compose project files and data when `MODE_RESET` is enabled.
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- **Handlers for Runtime Control:** Automatically builds, sets up, or restarts containers based on handlers. Notify `compose up` when rendered files or the service spec changed; notify `container recreate` when only in-container or in-database state changed and the process must reload it — the latter force-recreates in compose mode and forces a task recreation in swarm mode, where `docker stack deploy` alone would leave the running task untouched.
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- **Template-ready Service Files:** Predefined service base and health check templates.
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- **Integration Support:** Compatible with `sys-svc-proxy` and other Infinito.Nexus service roles.
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## Credits
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Implemented by **[Kevin Veen-Birkenbach](https://www.veen.world)**.
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Part of the [Infinito.Nexus Project](https://s.infinito.nexus/code) and maintained by [Kevin Veen-Birkenbach](https://www.veen.world).
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Licensed under the [Infinito.Nexus Community License (Non-Commercial)](https://s.infinito.nexus/license).
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