Le Serjant
587fd210a2
Move the WASM build into a multi-stage Containerfile so the emscripten compilation happens inside the Docker build. This eliminates the separate container action step, enables Docker layer caching for faster rebuilds, and makes the Containerfile self-contained. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
36 lines
1010 B
Docker
36 lines
1010 B
Docker
# JNR Web — multi-stage build: compile WASM then serve static files
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#
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# Build:
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# podman build -t jnr-web .
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# docker build -t jnr-web .
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#
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# Run locally:
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# podman run --rm -p 8080:80 jnr-web
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# Then visit http://localhost:8080
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#
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# Deploy to k3s:
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# podman save jnr-web | sudo k3s ctr images import -
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# sudo k3s kubectl apply -f k8s/
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# ── Stage 1: Build WASM artifacts ──
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FROM docker.io/emscripten/emsdk:3.1.51 AS builder
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WORKDIR /src
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COPY Makefile ./
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COPY include/ include/
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COPY src/ src/
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COPY assets/ assets/
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COPY web/ web/
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RUN make web
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# ── Stage 2: Serve static files ──
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FROM docker.io/joseluisq/static-web-server:2
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COPY --from=builder /src/dist-web/ /public/
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# Disable the default cache-control headers which cache .js for 1 year.
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# The .js and .wasm files must always be fetched together (EM_ASM address
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# table in JS must match the compiled WASM), so aggressive caching causes
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# "No EM_ASM constant found" errors after redeployments.
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ENV SERVER_CACHE_CONTROL_HEADERS=false
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