Can you add openssl inside the container please ?

[physispc]

Hi I need to use tls for harakamail.

Adding the 'tls' line inside 'config/plugins' and configuring 'config/tls.ini', the container doesn't start up.
Here is the error message :

[CRIT] [-] [core] Error: spawn openssl ENOENT
[CRIT] [-] [core]     at ChildProcess._handle.onexit (node:internal/child_process:283:19)
[CRIT] [-] [core]     at onErrorNT (node:internal/child_process:476:16)
[CRIT] [-] [core]     at process.processTicksAndRejections (node:internal/process/task_queues:82:21)
[NOTICE] [-] [core] Shutting down

Adding the openssl package inside the container resolves this issue.

/ # apk add openssl
fetch https://dl-cdn.alpinelinux.org/alpine/v3.16/main/x86_64/APKINDEX.tar.gz
fetch https://dl-cdn.alpinelinux.org/alpine/v3.16/community/x86_64/APKINDEX.tar.gz
(1/1) Installing openssl (1.1.1q-r0)
Executing busybox-1.35.0-r17.trigger
OK: 9 MiB in 18 packages
/ # openssl
OpenSSL> / #

Thanks !

[tyranron]

@physispc would love to see a PR.

[tyranron]

@physispc I've added APK_INSTALL_PACKAGES env var to pre-install system packages on startup, like we do with HARAKA_INSTALL_PLUGINS.

I decided to not hardcode openssl into the image, because other users may prefer alternatives like libretls, and in general case may require additional packages.