feat: microservices be gone

[zackpollard]

Caution

Suggested change: immich-microservices container can be removed from docker compose
Breaking change: start-microservices.sh and start-server.sh has been removed, we haven't used these for a while now

This PR removes the need for the seperate microservices container, we tested the workers in the 1.105.0 release by moving microservices into a worker process and we've had no issues off the back of that.

• Removes microservices container from all docker-compose files
• Moves the API & Web into an api worker
• Defaults the bootstrap to run both api and microservices as seperate workers
• Adds IMMICH_WORKERS_INCLUDE and IMMICH_WORKERS_EXCLUDE as comma seperated variables to specify which workers you want to run
• IMMICH_WORKERS_INCLUDE will override the defaults, only running what you specify
• IMMICH_WORKERS_EXCLUDE will apply against the defaults, or IMMICH_WORKERS_INCLUDE if for whatever reason you wanted to include and then exclude some workers 😆

This will simplify the setup process for most users by reducing the amount of containers they are running, the only real downside is that you now can't apply resource constraints against the microservices individually, however you could just go back to having the API and Microservices seperated using the env vars specified above.

Motivation

This is one of many pieces of upcoming work to change the way we handle jobs, microservices was always really a patch for the problem that we couldn't run background tasks within the main server as that would introduce contention for the API itself. Using workers, we can now have these within the same container but separated out into different V8 engines. Moving forwards, we will be looking to split out microservices into more underlying segments such as transcoding, thumbnails, etc, allowing us to have actual "microservices" and people who want to distribute just transcoding for example will be able to.

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[alextran1502]

Can you help write up the motivations behinds this change? So we can include those information in the next release note? Thank you!

[jrasm91]

Noice

[bo0tzz]

🚀

[mmomjian]

Edit: leaving start.sh immich, start.sh microservices works fine.

I will move this comment into the docs as an example of a simple split worker setup.

To add to release notes:

If you prefer to retain the previous structure, with a separate immich_server and immich_microservices container, this can be accomplished as follows:

services:
  immich-server:
    ...
+   environment:
+     IMMICH_WORKERS_INCLUDE: 'api'

  immich-microservices:
    ...
+   environment:
+     IMMICH_WORKERS_EXCLUDE: 'api'