mirror of
https://github.com/processone/ejabberd.git
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289 lines
8.6 KiB
Markdown
289 lines
8.6 KiB
Markdown
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[](https://github.com/processone/ejabberd/tags)
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[](https://github.com/processone/ejabberd/pkgs/container/ejabberd)
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[](https://hub.docker.com/r/ejabberd/ecs/)
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ejabberd Container
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==================
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[ejabberd][home] is an open-source,
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robust, scalable and extensible realtime platform built using [Erlang/OTP][erlang],
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that includes [XMPP][xmpp] Server, [MQTT][mqtt] Broker and [SIP][sip] Service.
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[home]: https://ejabberd.im/
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[erlang]: https://www.erlang.org/
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[xmpp]: https://xmpp.org/
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[mqtt]: https://mqtt.org/
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[sip]: https://en.wikipedia.org/wiki/Session_Initiation_Protocol
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This document explains how to use the
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[ejabberd container images](https://github.com/processone/ejabberd/pkgs/container/ejabberd)
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available in the GitHub Container Registry,
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built using the files in `.github/container/`.
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Alternatively, there are also
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[ejabberd-ecs Docker images](https://hub.docker.com/r/ejabberd/ecs/)
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available in Docker Hub,
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built using the
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[docker-ejabberd/ecs](https://github.com/processone/docker-ejabberd/tree/master/ecs)
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repository.
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If you are using a Windows operating system, check the tutorials mentioned in
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[ejabberd Docs > Docker Image](https://docs.ejabberd.im/admin/installation/#docker-image).
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Start ejabberd
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--------------
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### With default configuration
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Start ejabberd in a new container:
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```bash
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docker run --name ejabberd -d -p 5222:5222 ghcr.io/processone/ejabberd
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```
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That runs the container as a daemon,
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using ejabberd default configuration file and XMPP domain "localhost".
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Stop the running container:
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```bash
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docker stop ejabberd
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```
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Restart the stopped ejabberd container:
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```bash
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docker restart ejabberd
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```
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### Start with Erlang console attached
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Start ejabberd with an Erlang console attached using the `live` command:
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```bash
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docker run --name ejabberd -it -p 5222:5222 ghcr.io/processone/ejabberd live
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```
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That uses the default configuration file and XMPP domain "localhost".
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### Start with your configuration and database
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Pass a configuration file as a volume
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and share the local directory to store database:
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```bash
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mkdir database
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chown ejabberd database
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cp ejabberd.yml.example ejabberd.yml
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docker run --name ejabberd -it \
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-v $(pwd)/ejabberd.yml:/opt/ejabberd/conf/ejabberd.yml \
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-v $(pwd)/database:/opt/ejabberd/database \
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-p 5222:5222 ghcr.io/processone/ejabberd live
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```
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Notice that ejabberd runs in the container with an account named `ejabberd`,
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and the volumes you mount must grant proper rights to that account.
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Next steps
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----------
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### Register the administrator account
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The default ejabberd configuration does not grant admin privileges
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to any account,
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you may want to register a new account in ejabberd
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and grant it admin rights.
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Register an account using the `ejabberdctl` script:
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```bash
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docker exec -it ejabberd ejabberdctl register admin localhost passw0rd
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```
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Then edit conf/ejabberd.yml and add the ACL as explained in
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[ejabberd Docs: Administration Account](https://docs.ejabberd.im/admin/installation/#administration-account)
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### Check ejabberd log files
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Check the content of the log files inside the container,
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even if you do not put it on a shared persistent drive:
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```bash
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docker exec -it ejabberd tail -f logs/ejabberd.log
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```
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### Inspect the container files
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The container uses Alpine Linux. Start a shell inside the container:
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```bash
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docker exec -it ejabberd sh
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```
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### Open ejabberd debug console
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Open an interactive debug Erlang console attached to a running ejabberd in a running container:
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```bash
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docker exec -it ejabberd ejabberdctl debug
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```
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### CAPTCHA
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ejabberd includes two example CAPTCHA scripts.
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If you want to use any of them, first install some additional required libraries:
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```bash
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docker exec --user root ejabberd apk add imagemagick ghostscript-fonts bash
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```
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Now update your ejabberd configuration file, for example:
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```bash
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docker exec -it ejabberd vi conf/ejabberd.yml
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```
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and add the required options:
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```
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captcha_cmd: /opt/ejabberd-22.04/lib/ejabberd-22.04/priv/bin/captcha.sh
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captcha_url: https://localhost:5443/captcha
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```
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Finally, reload the configuration file or restart the container:
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```bash
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docker exec ejabberd ejabberdctl reload_config
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```
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Advanced Container Configuration
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--------------------------------
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### Ports
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This container image exposes the ports:
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- `5222`: The default port for XMPP clients.
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- `5269`: For XMPP federation. Only needed if you want to communicate with users on other servers.
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- `5280`: For admin interface.
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- `5443`: With encryption, used for admin interface, API, CAPTCHA, OAuth, Websockets and XMPP BOSH.
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- `1883`: Used for MQTT
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- `4369-4399`: EPMD and Erlang connectivity, used for `ejabberdctl` and clustering
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### Volumes
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ejabberd produces two types of data: log files and database spool files (Mnesia).
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This is the kind of data you probably want to store on a persistent or local drive (at least the database).
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The volumes you may want to map:
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- `/opt/ejabberd/conf/`: Directory containing configuration and certificates
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- `/opt/ejabberd/database/`: Directory containing Mnesia database.
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You should back up or export the content of the directory to persistent storage
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(host storage, local storage, any storage plugin)
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- `/opt/ejabberd/logs/`: Directory containing log files
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- `/opt/ejabberd/upload/`: Directory containing uploaded files. This should also be backed up.
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All these files are owned by `ejabberd` user inside the container.
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It's possible to install additional ejabberd modules using volumes,
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[this comment](https://github.com/processone/docker-ejabberd/issues/81#issuecomment-1036115146)
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explains how to install an additional module using docker-compose.
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### Commands on start
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The ejabberdctl script reads the `CTL_ON_CREATE` environment variable
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the first time the docker container is started,
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and reads `CTL_ON_START` every time the container is started.
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Those variables can contain one ejabberdctl command,
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or several commands separated with the blankspace and `;` characters.
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Example usage (see full example [docker-compose.yml](https://github.com/processone/docker-ejabberd/issues/64#issuecomment-887741332)):
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```yaml
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environment:
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- CTL_ON_CREATE=register admin localhost asd
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- CTL_ON_START=stats registeredusers ;
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check_password admin localhost asd ;
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status
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```
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### Clustering
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When setting several containers to form a
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[cluster of ejabberd nodes](https://docs.ejabberd.im/admin/guide/clustering/),
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each one must have a different
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[Erlang Node Name](https://docs.ejabberd.im/admin/guide/security/#erlang-node-name)
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and the same
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[Erlang Cookie](https://docs.ejabberd.im/admin/guide/security/#erlang-cookie).
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For this you can either:
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- edit `conf/ejabberdctl.cfg` and set variables `ERLANG_NODE` and `ERLANG_COOKIE`
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- set the environment variables `ERLANG_NODE_ARG` and `ERLANG_COOKIE`
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Example using environment variables (see full example [docker-compose.yml](https://github.com/processone/docker-ejabberd/issues/64#issuecomment-887741332)):
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```yaml
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environment:
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- ERLANG_NODE_ARG=ejabberd@node7
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- ERLANG_COOKIE=dummycookie123
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```
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Generating a Container Image
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----------------------------
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This container image includes ejabberd as a standalone OTP release built using Elixir.
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That OTP release is configured with:
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- `mix.exs`: Customize ejabberd release
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- `vars.config`: ejabberd compilation configuration options
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- `config/runtime.exs`: Customize ejabberd paths
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- `ejabberd.yml.template`: ejabberd default config file
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Build ejabberd Community Server base image from ejabberd master on GitHub:
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```bash
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VERSION=master
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docker build \
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--build-arg VERSION=$VERSION \
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-t personal/ejabberd:$VERSION \
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.github/container
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```
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Build ejabberd Community Server base image for a given ejabberd version,
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both for amd64 and arm64 architectures:
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```bash
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VERSION=22.05
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docker buildx build \
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--platform=linux/amd64,linux/arm64
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--build-arg VERSION=$VERSION \
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-t personal/ejabberd:$VERSION \
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.github/container
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```
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It's also possible to use podman instead of docker, just notice:
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- `EXPOSE 4369-4399` port range is not supported, remove that in Dockerfile
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- It mentions that `healthcheck` is not supported by the Open Container Initiative image format
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- If you want to start with command `live`, add environment variable `EJABBERD_BYPASS_WARNINGS=true`
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```bash
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VERSION=master
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podman build \
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--build-arg VERSION=$VERSION \
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-t ja:$(version) \
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.github/container
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```
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