init

.gitignore

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+.env
+/data/
+/files/

README.md

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+# redmine-ki
+
+Lokales Redmine via Docker, vorbereitet für Plugin-/Theme-Entwicklung.
+
+## Start
+
+```bash
+docker compose up -d
+```
+
+Erster Zugriff: http://localhost:3000 — Login `admin` / `admin`, danach Passwortwechsel.
+
+## Stoppen
+
+```bash
+docker compose down
+```
+
+Daten bleiben in `./data/db` und `./files` persistent.
+
+## Plugin-Entwicklung
+
+Plugins gehören nach `./plugins/<plugin_name>/`. Nach dem Anlegen oder einem Update:
+
+```bash
+docker compose exec redmine bundle exec rake redmine:plugins:migrate RAILS_ENV=production
+docker compose restart redmine
+```
+
+Plugin-Gerüst im Container erzeugen:
+
+```bash
+docker compose exec redmine bundle exec rails generate redmine_plugin <plugin_name>
+```
+
+## Themes
+
+Themes gehören nach `./themes/<theme_name>/`. Aktivieren unter *Administration → Settings → Display*.
+
+## Logs
+
+```bash
+docker compose logs -f redmine
+```
+
+## Reset (alles löschen)
+
+```bash
+docker compose down
+rm -rf data files
+```

docker-compose.yml

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+services:
+  db:
+    image: mariadb:11
+    restart: unless-stopped
+    environment:
+      MARIADB_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
+      MARIADB_DATABASE: redmine
+      MARIADB_USER: redmine
+      MARIADB_PASSWORD: ${DB_PASSWORD}
+    volumes:
+      - ./data/db:/var/lib/mysql
+    healthcheck:
+      test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  redmine:
+    image: redmine:5
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    ports:
+      - "3000:3000"
+    environment:
+      REDMINE_DB_MYSQL: db
+      REDMINE_DB_DATABASE: redmine
+      REDMINE_DB_USERNAME: redmine
+      REDMINE_DB_PASSWORD: ${DB_PASSWORD}
+      REDMINE_SECRET_KEY_BASE: ${REDMINE_SECRET}
+    volumes:
+      - ./files:/usr/src/redmine/files
+      - ./plugins:/usr/src/redmine/plugins
+      - ./themes:/usr/src/redmine/public/themes