docker-documentation/images/docker-cops.md

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# [linuxserver/cops](https://github.com/linuxserver/docker-cops)
[![GitHub Stars](https://img.shields.io/github/stars/linuxserver/docker-cops.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&logo=github)](https://github.com/linuxserver/docker-cops)
[![GitHub Release](https://img.shields.io/github/release/linuxserver/docker-cops.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&logo=github)](https://github.com/linuxserver/docker-cops/releases)
[![GitHub Package Repository](https://img.shields.io/static/v1.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=linuxserver.io&message=GitHub%20Package&logo=github)](https://github.com/linuxserver/docker-cops/packages)
[![GitLab Container Registry](https://img.shields.io/static/v1.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=linuxserver.io&message=GitLab%20Registry&logo=gitlab)](https://gitlab.com/Linuxserver.io/docker-cops/container_registry)
[![MicroBadger Layers](https://img.shields.io/microbadger/layers/linuxserver/cops.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge)](https://microbadger.com/images/linuxserver/cops "Get your own version badge on microbadger.com")
[![Docker Pulls](https://img.shields.io/docker/pulls/linuxserver/cops.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=pulls&logo=docker)](https://hub.docker.com/r/linuxserver/cops)
[![Docker Stars](https://img.shields.io/docker/stars/linuxserver/cops.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=stars&logo=docker)](https://hub.docker.com/r/linuxserver/cops)
[![Jenkins Build](https://img.shields.io/jenkins/build?labelColor=555555&logoColor=ffffff&style=for-the-badge&jobUrl=https%3A%2F%2Fci.linuxserver.io%2Fjob%2FDocker-Pipeline-Builders%2Fjob%2Fdocker-cops%2Fjob%2Fmaster%2F&logo=jenkins)](https://ci.linuxserver.io/job/Docker-Pipeline-Builders/job/docker-cops/job/master/)
[![LSIO CI](https://img.shields.io/badge/dynamic/yaml?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=CI&query=CI&url=https%3A%2F%2Fci-tests.linuxserver.io%2Flinuxserver%2Fcops%2Flatest%2Fci-status.yml)](https://ci-tests.linuxserver.io/linuxserver/cops/latest/index.html)
[Cops](http://blog.slucas.fr/en/oss/calibre-opds-php-server) by Sébastien Lucas, stands for Calibre OPDS (and HTML) Php Server.
COPS links to your Calibre library database and allows downloading and emailing of books directly from a web browser and provides a OPDS feed to connect to your devices.
Changes in your Calibre library are reflected immediately in your COPS pages.
See : [COPS's home](http://blog.slucas.fr/en/oss/calibre-opds-php-server) for more details.
Don't forget to check the [Wiki](https://github.com/seblucas/cops/wiki).
## Why? (taken from the author's site)
In my opinion Calibre is a marvelous tool but is too big and has too much
dependencies to be used for its content server.
That's the main reason why I coded this OPDS server. I needed a simple
tool to be installed on a small server (Seagate Dockstar in my case).
I initially thought of Calibre2OPDS but as it generate static file no
search was possible.
Later I added an simple HTML catalog that should be usable on my Kobo.
So COPS's main advantages are :
* No need for many dependencies.
* No need for a lot of CPU or RAM.
* Not much code.
* Search is available.
* With Dropbox / owncloud it's very easy to have an up to date OPDS server.
* It was fun to code.
If you want to use the OPDS feed don't forget to specify feed.php at the end of your URL.
## Supported Architectures
Our images support multiple architectures such as `x86-64`, `arm64` and `armhf`. We utilise the docker manifest for multi-platform awareness. More information is available from docker [here](https://github.com/docker/distribution/blob/master/docs/spec/manifest-v2-2.md#manifest-list) and our announcement [here](https://blog.linuxserver.io/2019/02/21/the-lsio-pipeline-project/).
Simply pulling `ghcr.io/linuxserver/cops` should retrieve the correct image for your arch, but you can also pull specific arch images via tags.
The architectures supported by this image are:
| Architecture | Tag |
| :----: | --- |
| x86-64 | amd64-latest |
| arm64 | arm64v8-latest |
| armhf | arm32v7-latest |
## Usage
Here are some example snippets to help you get started creating a container from this image.
### docker-compose ([recommended](https://docs.linuxserver.io/general/docker-compose))
Compatible with docker-compose v2 schemas.
```yaml
---
version: "2.1"
services:
cops:
image: ghcr.io/linuxserver/cops
container_name: cops
environment:
- PUID=1000
- PGID=1000
- TZ=Europe/London
volumes:
- <path to data>:/config
- <path to data>:/books
ports:
- 80:80
restart: unless-stopped
```
### docker cli
```
docker run -d \
--name=cops \
-e PUID=1000 \
-e PGID=1000 \
-e TZ=Europe/London \
-p 80:80 \
-v <path to data>:/config \
-v <path to data>:/books \
--restart unless-stopped \
ghcr.io/linuxserver/cops
```
## Parameters
Docker images are configured using parameters passed at runtime (such as those above). These parameters are separated by a colon and indicate `<external>:<internal>` respectively. For example, `-p 8080:80` would expose port `80` from inside the container to be accessible from the host's IP on port `8080` outside the container.
### Ports (`-p`)
| Parameter | Function |
| :----: | --- |
| `80` | WebUI |
### Environment Variables (`-e`)
| Env | Function |
| :----: | --- |
| `PUID=1000` | for UserID - see below for explanation |
| `PGID=1000` | for GroupID - see below for explanation |
| `TZ=Europe/London` | Specify a timezone to use EG Europe/London. |
### Volume Mappings (`-v`)
| Volume | Function |
| :----: | --- |
| `/config` | COPS Application Data. |
| `/books` | Calibre metadata.db location. |
## Environment variables from files (Docker secrets)
You can set any environment variable from a file by using a special prepend `FILE__`.
As an example:
```
-e FILE__PASSWORD=/run/secrets/mysecretpassword
```
Will set the environment variable `PASSWORD` based on the contents of the `/run/secrets/mysecretpassword` file.
## Umask for running applications
For all of our images we provide the ability to override the default umask settings for services started within the containers using the optional `-e UMASK=022` setting.
Keep in mind umask is not chmod it subtracts from permissions based on it's value it does not add. Please read up [here](https://en.wikipedia.org/wiki/Umask) before asking for support.
## User / Group Identifiers
When using volumes (`-v` flags), permissions issues can arise between the host OS and the container, we avoid this issue by allowing you to specify the user `PUID` and group `PGID`.
Ensure any volume directories on the host are owned by the same user you specify and any permissions issues will vanish like magic.
In this instance `PUID=1000` and `PGID=1000`, to find yours use `id user` as below:
```
$ id username
uid=1000(dockeruser) gid=1000(dockergroup) groups=1000(dockergroup)
```
## Application Setup
Unlike other implementations of COPS in a docker container, the linuxserver version gives you access to `config_local.php` in `/config` to customise your install to suit your needs, including details of your email account etc to enable emailing of books, it also includes the dependencies required to directly view epub books in your browser.
## Docker Mods
[![Docker Mods](https://img.shields.io/badge/dynamic/yaml?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=cops&query=%24.mods%5B%27cops%27%5D.mod_count&url=https%3A%2F%2Fraw.githubusercontent.com%2Flinuxserver%2Fdocker-mods%2Fmaster%2Fmod-list.yml)](https://mods.linuxserver.io/?mod=cops "view available mods for this container.") [![Docker Universal Mods](https://img.shields.io/badge/dynamic/yaml?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=universal&query=%24.mods%5B%27universal%27%5D.mod_count&url=https%3A%2F%2Fraw.githubusercontent.com%2Flinuxserver%2Fdocker-mods%2Fmaster%2Fmod-list.yml)](https://mods.linuxserver.io/?mod=universal "view available universal mods.")
We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to enable additional functionality within the containers. The list of Mods available for this image (if any) as well as universal mods that can be applied to any one of our images can be accessed via the dynamic badges above.
## Support Info
* Shell access whilst the container is running:
* `docker exec -it cops /bin/bash`
* To monitor the logs of the container in realtime:
* `docker logs -f cops`
* Container version number
* `docker inspect -f '{{ index .Config.Labels "build_version" }}' cops`
* Image version number
* `docker inspect -f '{{ index .Config.Labels "build_version" }}' ghcr.io/linuxserver/cops`
## Versions
* **22.11.20:** - Pin composer version to 1.10.17.
* **01.06.20:** - Rebasing to alpine 3.12.
* **19.12.19:** - Rebasing to alpine 3.11.
* **28.06.19:** - Rebasing to alpine 3.10.
* **23.03.19:** - Switching to new Base images, shift to arm32v7 tag.
* **27.02.19:** - Upgrade packages during install to prevent mismatch with baseimage.
* **22.02.19:** - Rebasing to alpine 3.9.
* **14.01.19:** - Add multiarch and pipeline logic.
* **21.08.18:** - Rebase to alpine 3.8.
* **02.07.18:** - Add php7-ctype dependency.
* **08.01.18:** - Rebase to alpine 3.7.
* **25.05.17:** - Rebase to alpine 3.6.
* **03.04.17:** - Add composer packages, reduce layers.
* **02.04.17:** - Updated to version 1.1.0.
* **05.02.17:** - Updated to Alpine 3.5 & PHP7.
* **24.10.16:** - Updated to implement user based config.
* **24.10.16:** - Updated to version 1.0.1.
* **14.10.16:** - Add version layer information.
* **28.09.16:** - Add php5-zlib.
* **11.09.16:** - Add layer badges to README.
* **29.08.16:** - Add php5-opcache.
* **28.08.16:** - Add badges to README.
* **12.08.16:** - Initial Release.