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linuxserver / docker-cops

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The LinuxServer.io team brings you another container release featuring:

Find us at:

linuxserver/cops

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Cops by Sébastien Lucas, now maintained by MikesPub, 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 for more details.

Don't forget to check the 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 :

If you want to use the OPDS feed don't forget to specify /feed at the end of your URL.

cops

Supported Architectures

We utilise the docker manifest for multi-platform awareness. More information is available from docker here and our announcement here.

Simply pulling lscr.io/linuxserver/cops:latest 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 Available Tag
x86-64 ✅ amd64-\<version tag>
arm64 ✅ arm64v8-\<version tag>
armhf ❌

Application Setup

Access the webui at http://<docker host ip>:80. For connecting via OPDS on a mobile device use http://<docker host ip>:80/index.php/feed. It is strongly suggested that you reverse proxy this prior to exposing to the internet. For more information, such as requiring credentials, check the COPS Wiki (linked above).

The linuxserver version gives you access to config/local.php in /config to customise your install to suit your needs, it also includes the dependencies required to directly view epub books in your browser.

Usage

To help you get started creating a container from this image you can either use docker-compose or the docker cli.

docker-compose (recommended, click here for more info)

---
services:
  cops:
    image: lscr.io/linuxserver/cops:latest
    container_name: cops
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Etc/UTC
    volumes:
      - /path/to/cops/config:/config
      - /path/to/data:/books
    ports:
      - 80:80
      - 443:443
    restart: unless-stopped

docker cli (click here for more info)

docker run -d \
  --name=cops \
  -e PUID=1000 \
  -e PGID=1000 \
  -e TZ=Etc/UTC \
  -p 80:80 \
  -p 443:443 \
  -v /path/to/cops/config:/config \
  -v /path/to/data:/books \
  --restart unless-stopped \
  lscr.io/linuxserver/cops:latest

Parameters

Containers 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.

Parameter Function
-p 80 HTTP WebUI
-p 443 HTTPS WebUI
-e PUID=1000 for UserID - see below for explanation
-e PGID=1000 for GroupID - see below for explanation
-e TZ=Etc/UTC specify a timezone to use, see this list.
-v /config COPS Application Data.
-v /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__MYVAR=/run/secrets/mysecretvariable

Will set the environment variable MYVAR based on the contents of the /run/secrets/mysecretvariable 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 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 your_user as below:

id your_user

Example output:

uid=1000(your_user) gid=1000(your_user) groups=1000(your_user)

Docker Mods

Docker Mods Docker Universal Mods

We publish various 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

Updating Info

Most of our images are static, versioned, and require an image update and container recreation to update the app inside. With some exceptions (noted in the relevant readme.md), we do not recommend or support updating apps inside the container. Please consult the Application Setup section above to see if it is recommended for the image.

Below are the instructions for updating containers:

Via Docker Compose

Via Docker Run

Image Update Notifications - Diun (Docker Image Update Notifier)

[!TIP] We recommend Diun for update notifications. Other tools that automatically update containers unattended are not recommended or supported.

Building locally

If you want to make local modifications to these images for development purposes or just to customize the logic:

git clone https://github.com/linuxserver/docker-cops.git
cd docker-cops
docker build \
  --no-cache \
  --pull \
  -t lscr.io/linuxserver/cops:latest .

The ARM variants can be built on x86_64 hardware and vice versa using lscr.io/linuxserver/qemu-static

docker run --rm --privileged lscr.io/linuxserver/qemu-static --reset

Once registered you can define the dockerfile to use with -f Dockerfile.aarch64.

Versions