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Container: Reorganize how to build container image

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Badlop 2023-04-11 12:09:37 +02:00
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CONTAINER.md
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@ -258,23 +258,10 @@ Example using environment variables (see full example [docker-compose.yml](https
```
Generating a Container Image
============================
> By default, `.github/container/Dockerfile` builds this container by directly compiling ejabberd,
> it is a fast and direct method.
>
> However, a problem with QEMU prevents building the container in QEMU using Erlang/OTP 25
> for the `arm64` architecture.
>
> Providing `build-args: METHOD=package` is an alternate method to build the container
> used by the Github Actions workflow that provides `amd64` and `arm64` container images.
> It first builds an ejabberd binary package, and later installs it in the image.
> That method avoids using QEMU, so it can build `arm64` container images, but is extremely
> slow the first time it's used, and consequently not recommended for general use.
Build a Container Image
=======================
This container image includes ejabberd as a standalone OTP release built using Elixir.
That OTP release is configured with:
- `mix.exs`: Customize ejabberd release
@ -282,7 +269,9 @@ That OTP release is configured with:
- `config/runtime.exs`: Customize ejabberd paths
- `ejabberd.yml.template`: ejabberd default config file
Build ejabberd Community Server base image from ejabberd master on GitHub:
## Direct build
Build ejabberd Community Server container image from ejabberd master git repository:
```bash
docker buildx build \
@ -291,18 +280,7 @@ docker buildx build \
.
```
Build ejabberd Community Server base image for a given ejabberd version,
both for amd64 and arm64 architectures:
```bash
VERSION=22.05
git checkout $VERSION
docker buildx build \
--platform=linux/amd64,linux/arm64
-t personal/ejabberd:$VERSION \
-f .github/container/Dockerfile \
.
```
## Podman build
It's also possible to use podman instead of docker, just notice:
- `EXPOSE 4369-4399` port range is not supported, remove that in Dockerfile
@ -323,6 +301,30 @@ podman exec -it eja1 sh
podman stop eja1
```
## Package build for `arm64`
By default, `.github/container/Dockerfile` builds this container by directly compiling ejabberd,
it is a fast and direct method.
However, a problem with QEMU prevents building the container in QEMU using Erlang/OTP 25
for the `arm64` architecture.
Providing `--build-arg METHOD=package` is an alternate method to build the container
used by the Github Actions workflow that provides `amd64` and `arm64` container images.
It first builds an ejabberd binary package, and later installs it in the image.
That method avoids using QEMU, so it can build `arm64` container images, but is extremely
slow the first time it's used, and consequently not recommended for general use.
In this case, to build the ejabberd container image for arm64 architecture:
```bash
docker buildx build \
--build-arg METHOD=package \
--platform linux/arm64 \
-t personal/ejabberd:$VERSION \
-f .github/container/Dockerfile \
.
```
Composer Examples
=================