Refacto docker

[irevoire]

closes #2166 and #2085

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I noticed many people had issues with the default configuration of our Dockerfile.
Some examples:

• Clean persistent volume on Kubernetes cases an error #2166: If you use ubuntu and mount your data.ms in a volume (as shown in the doc), you can't run meilisearch
• Error while persisting update to disk: No such file or directory #2085: Here, meilisearch was not able to erase the data.ms when loading a dump because it's the mount point
  Currently, we don't show how to use the snapshot and dumps with docker in the documentation. And it's quite hard to do:
  • You either send a big command to meilisearch to change the dump-path, snapshot-path and db-path a single directory and then mount that one
  • Or you mount three volumes
• And there were other issues on the slack community

I think this PR solve the problem.
Now the image contains the meilisearch binary in the /bin directory, so it's easy to find and always in the PATH.
It creates a data directory and moves the working-dir in it.
So now you can find the dumps, snapshots and data.ms directory in /data.

Here is the new command to run meilisearch with a volume:

docker run -it --rm -v $PWD/meili_data:/data -p 7700:7700 getmeili/meilisearch:latest

And if you need to import a dump or a snapshot, you don't need to restart your container and mount another volume. You can directly hit the POST /dumps route and then run:

docker run -it --rm -v $PWD/meili_data:/data -p 7700:7700 getmeili/meilisearch:latest meilisearch --import-dump dumps/20220217-152115159.dump

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You can already try this PR with the following docker image:

getmeili/meilisearch:test-docker-v0.26.0

If you want to use the v0.25.2 I created another image;

getmeili/meilisearch:test-docker-v0.25.2

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If you're using helm I created a branch here that use the v0.26.0 image with the good volume 👍
If you use this conf with the v0.25.2, it should also work.

[fr3fou]

Can I use this Dockerfile with 0.25.2 safely? I'm not sure what changes are in the 0.26.0 release of MeiliSearch but I need to use this and so far it seems to have solved meilisearch/meilisearch-kubernetes#95 for (the Pod is running but I'm not sure of any internal changes that might have ocurred)

[irevoire]

Yes but you'll need to rebuild the image yourself.
Something like

git checkout v0.25.2
git checkout refacto-docker -- Dockerfile
docker build . # name your image and everything 

[fr3fou]

Yup, that's what I did exactly!

[ChillFish8]

So I'm not really sure what's going on here, we make a directory first but then also tag it as our working directory.
If we're marking this as our WD then we don't need to make the directory first, it's just an implicit step iirc.

[irevoire]

Oh cool, I didn't know that!
Thanks 👍

[irevoire]

Can I use this Dockerfile with 0.25.2 safely? I'm not sure what changes are in the 0.26.0 release of MeiliSearch but I need to use this and so far it seems to have solved meilisearch/meilisearch-kubernetes#95 for (the Pod is running but I'm not sure of any internal changes that might have ocurred)

Hey, I created a new image for you and everyone who wants to test this PR with the v0.25.2.
You can find it here; getmeili/meilisearch:test-docker-v0.25.2

[irevoire]

bors merge

[bors]

Build succeeded:

• Run Rustfmt
• Run tests in debug
• Tests on macos-latest
• Tests on ubuntu-18.04
• Tests on windows-latest