Claude 189b8d48c1 Fix admin login and API 404s
- appsettings.json: bake in the reference HashedPassword/HashedPasswordSalt so
  admin/password actually validates (the previous empty strings could never match)
- Program.cs: pin the SQLite DB into App_Data so the mounted volume persists it,
  and route /elsa/api/{**rest} to a JSON 404 so unknown API paths stop returning
  the Studio SPA HTML with a 200
2026-09-02 08:45:36 +00:00
2026-09-02 08:45:36 +00:00

Elsa Custom Server

Custom Elsa Workflows API server. Extends stock Elsa 3.x with our own activities.

Where activities live

src/Elsa.CustomServer/Activities/*.cs — anything marked [Activity(...)] under this folder is auto-registered via AddActivitiesFrom<Program>() in Program.cs.

To add a new node type in the Studio designer:

  1. Drop a new file under Activities/.
  2. Inherit from CodeActivity, CodeActivity<T>, or Activity for triggerable ones.
  3. Rebuild and redeploy — Studio picks it up automatically the next time it fetches the activity descriptors.

Example — see Activities/Shout.cs.

Local run

dotnet run --project src/Elsa.CustomServer

Listens on http://localhost:8080; API root is /elsa/api.

Docker

docker build -t elsa-custom-server .
docker run --rm -p 8080:8080 \
  -e Identity__Tokens__SigningKey="$(openssl rand -base64 64)" \
  elsa-custom-server

Deployment

Coolify builds this image from the Dockerfile at repo root when the app is created with build_pack: "dockerfile". The Studio (separate container running the stock elsaworkflows/elsa-studio-v3 image) needs its BACKEND__URL env var pointed at this server's /elsa/api.

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