Generate & package JetBrains shared indexes with a Docker container.

Shared indexes are often hosted on a CDN and used by IDEs to speed up loading (indexing) time for JetBrains IDEs (IntelliJ IDEA, PyCharm, GoLand, etc). Blog post: https://coder.com/blog/faster-jetbrains-ides-with-shared-indexes

1. Generate indexes for your project

   cd your-project/
   
   docker run -it --rm \
       -v "$(pwd)":/var/project \
       -v "$HOME/indexes-out":/shared-index \
       -e INDEXES_CDN_URL=http://localhost:3000/project \
       bencdr/indexer:idea-2021.3
       
   # you may need to fix the file permissions for the generated indexes
   sudo chown -R $(id -u):$(id -g) $HOME/indexes-out

2. Upload indexes to CDN (or test locally)

   # test with local Python server
   cd $HOME/indexes-out/
   python3 -m http.server 3000

   this URL must be the same as INDEXES_CDN_URL in step 1.

3. Add intellij.yaml to your project if you don't have one

   sharedIndex:
     project:
       - url: http://localhost:3000/project

4. Open your IDE and test (use File → Invalidate Caches to load indexes for the first time again)

By default, this project indexes version 2021.3 of your IDE. Specify the IDE name by using the appropriate tag (e.g bencdr/indexer:[ide-name]-2021.3). You can verify with DockerHub.

If an IDE/version is not on DockerHub, we recommend you manually pulling and building the image yourself using these build arguments.

⚠️ Many of these are a work in progress

• Test a project with shared indexes locally
• Generate shared indexes for Coder workspaces
• Generate shared indexes and host on a CDN
• Generate shared indexes regularly during CI (GitHub Actions)
• Troubleshooting shared indexes

See ./docs/troubleshooting.md

If you just want to generate raw shared indexes with Docker, you can use damintsew/idea-shared-index-dockerfile. This project is based on that.