Host on Cloud Run

Cloud Run runs a container image. Wisp builds the Dockerfile as it is.

Build

wisp build --docker          # Dockerfile and .dockerignore (--force replaces them)

Deploy

gcloud run deploy --source .

The image listens on $PORT (the Dockerfile sets HOST=0.0.0.0 and PORT=3000).

Environment

• WISP_SECRET: 32 or more random characters, set as an environment variable or secret of the service, for an app that signs cookies.
• Other variables: Environment variables.

Limits

• The image is the Docker one: epoll instead of io_uring under Docker's default profile.
• WebSockets and streaming work in the binary. Any limit the platform puts on them is Cloud Run's, not Wisp's.

Files and Data

• static/ and the styles are inside the binary.
• Saved tables live in /data inside the container, which does not outlive the instance unless you give it storage there. Otherwise use a custom store (Where rows are kept).

More

Host with Docker, Deploying.

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