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Confluence/Jira roles: add READMEs, switch to custom images, proxy/JVM envs, and integer-safe heap sizing

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Confluence: README added; demo disables OIDC/LDAP; Dockerfile overlay; docker-compose now uses CONFLUENCE_CUSTOM_IMAGE and DB depends include; env.j2 adds ATL_* and JVM_*; vars use integer math (//) for Xmx/Xms and expose CUSTOM_IMAGE.

Jira: initial role skeleton with README, config/meta/tasks; Dockerfile overlay; docker-compose using JIRA_CUSTOM_IMAGE and DB depends include; env.j2 with proxy + JVM envs; vars with integer-safe memory sizing.

Context: https://chatgpt.com/share/68b6b592-2250-800f-b68e-b37ae98dbe70
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Kevin Veen-Birkenbach
2025-09-02 12:07:34 +02:00
parent bc56940e55
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# Jira
## Description
Jira Software is Atlassian’s issue and project-tracking platform. This role deploys Jira via Docker Compose, connects it to PostgreSQL, and adds proxy awareness, optional OIDC SSO, health checks, and production-oriented defaults for Infinito.Nexus.
## Overview
The role builds a lean custom image on top of the official Jira Software image, provisions persistent volumes, and exposes the app behind your reverse proxy. Variables control image/version/volumes/domains/SSO. JVM heap sizing is auto-derived from host RAM with safe caps to prevent `Xms > Xmx`.
## Features
* **Fully Dockerized:** Compose stack with a dedicated data volume (`jira_data`) and a minimal overlay image to enable future plugins/config.
* **Reverse-Proxy/HTTPS Ready:** Preconfigured Atlassian Tomcat proxy envs so Jira respects external scheme/host/port.
* **OIDC SSO (Optional):** Pre-templated vars for issuer, client, endpoints, scopes; compatible with Atlassian DC SSO/OIDC marketplace apps.
* **Central Database:** PostgreSQL integration (local or central) with credentials sourced from role configuration.
* **JVM Auto-Tuning:** Safe calculation of `JVM_MINIMUM_MEMORY` / `JVM_MAXIMUM_MEMORY` with caps to avoid VM init errors.
* **Health Checks:** Container healthcheck for quicker failure detection and stable automation.
* **CSP & Canonical Domains:** Integrates with platform CSP and domain management.
* **Backup Ready:** Persistent data under `/var/atlassian/application-data/jira`.
## Further Resources
* Product page: [Atlassian Jira Software](https://www.atlassian.com/software/jira)
* Docker Hub (official image): [atlassian/jira-software](https://hub.docker.com/r/atlassian/jira-software)