Cross-compilation

visualizer/Dockerfile

@@ -1,4 +1,4 @@
-FROM lukemathwalker/cargo-chef:0.1.62-rust-1.74-buster as chef
+FROM --platform=$BUILDPLATFORM lukemathwalker/cargo-chef:0.1.62-rust-1.74-buster as chef
 
 WORKDIR /app
 RUN wget https://github.com/protocolbuffers/protobuf/releases/download/v21.12/protoc-21.12-linux-x86_64.zip -O ./protoc.zip \
@@ -16,11 +16,38 @@ RUN cargo chef prepare --recipe-path recipe.json
 
 FROM chef AS build
 COPY --from=plan /app/recipe.json recipe.json
-# Build dependencies - this is the caching Docker layer!
-RUN cargo chef cook --release --recipe-path recipe.json
+
+ARG BUILDPLATFORM
+ARG BUILDOS
+ARG BUILDARCH
+ARG BUILDVARIANT
+ARG TARGETPLATFORM
+ARG TARGETOS
+ARG TARGETARCH
+ARG TARGETVARIANT
+
+RUN echo "BUILDPLATFORM=$BUILDPLATFORM"
+RUN echo "BUILDOS=$BUILDOS"
+RUN echo "BUILDARCH=$BUILDARCH"
+RUN echo "BUILDVARIANT=$BUILDVARIANT"
+RUN echo "TARGETPLATFORM=$TARGETPLATFORM"
+RUN echo "TARGETOS=$TARGETOS"
+RUN echo "TARGETARCH=$TARGETARCH"
+RUN echo "TARGETVARIANT=$TARGETVARIANT"
+
+ARG TARGETARCH
+RUN case ${TARGETARCH} in \
+        "arm64") TARGETARCH=aarch64-unknown-linux-gnu ;; \
+        "amd64") TARGETARCH=x86_64-unknown-linux-gnu ;; \
+    esac \
+    && echo "target=$TARGETARCH" \
+    && rustup target add $TARGETARCH \
+    && cargo chef cook --release --target $TARGETARCH --recipe-path recipe.json
 # Build application
 COPY . .
-RUN cargo build --release
+RUN cargo build --release --target $TARGET
+
+RUN echo $(ls /app/target)
 
 FROM node:16-bullseye-slim
 WORKDIR /usr/src/