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+# inn2 Docker container
+
+This repository holds files neccessary to build inn2 (InterNet News 2), a NNTP server.
+
+This container is based on [greenbender's image](https://github.com/greenbender/inn-docker).
+
+## Usage
+
+Configuration files are described on [inn official site](https://www.eyrie.org/~eagle/software/inn/) (select proper version from right sidebar).
+
+Using this container with compose:
+
+```yaml
+---
+services:
+  inn:
+    image: "code.pztrn.name/containers/inn2"
+    restart: always
+    ports:
+      - 119:119
+      - 563:563
+    volumes:
+      - "./data/db:/inn2/db"
+      - "./data/etc:/inn2/etc"
+      - "./data/log:/inn2/log"
+      - "./data/run:/inn2/run"
+      - "./data/spool:/inn2/spool"
+      - "./data/tmp:/inn2/tmp"
+    ulimits:
+      nofile:
+        soft: 65535
+        hard: 65535
+```
+
+## Cronjobs
+
+There is a section in documentation about cron jobs you should configure. This docker image currently isn't supporting these, so configure it separately with lines like:
+
+```shell
+0 3 * * * docker compose run inn news.daily expireover lowmark
+```
+
+## Versioning
+
+Image versioning follows official inn2 versions with additional optional version postfix added to indicate image fixes for particular version.
+
+Examples:
+
+* 2.7.4-3 - inn version 2.7.4 and 3 additional fixes applied to container.
+* 2.7.6 - inn version 2.7.6 without additional container fixes.
+
+## Data directories and permissions
+
+Configuration is kept in `/inn2/etc`, mount it in your local filesystem. Entrypoint script will copy default configuration for you if missing.
+
+This container exposes `/inn2/db`, `/inn2/spool`, `/inn2/log` as volumes, so you may either:
+
+* Leave as is, Docker will create separate volume for your data.
+* Mount volume somewhere, like in compose example above.
+
+inn2 is launched as UID/GID 600 in container, so chown directories properly according to your Docker configuration:
+
+* If you're not using userns isolation - use `chown 600:600`.
+* If you're using it - use `600 + id from /etc/subuid`, e.g. if you're using default Docker remapping this could be `chown 100600:100600`.