Containerize a Wasm App
Learn how to containerize a Wasm app using Docker.
Docker Desktop lets you containerize Wasm apps so you can use familiar Docker tools to push and pull them to OCI registries and run them inside containers.
Creating a Dockerfile
As always, we need a Dockerfile that tells Docker how to package the app as an image. Create a new file called Dockerfile in your hello-world directory and populate it with the following three lines.
FROM scratchCOPY /target/wasm32-wasi/release/hello_world.wasm .COPY spin.toml .
Creating a Docker image with the WASM application
The file references a special empty base image called scratch because Wasm containers don’t need a Linux OS.
The two ...