Frontend/static files building & serving

Dockerfile

@@ -7,12 +7,27 @@
 # there is a small script that translates those platforms to LLVM triples,
 # respectively x86-64-unknown-linux-gnu and aarch64-unknown-linux-gnu
 
-ARG RUSTC_VERSION=1.56.1
+# The Debian version and version name must be in sync
+ARG DEBIAN_VERSION=11
+ARG DEBIAN_VERSION_NAME=bullseye
+ARG RUSTC_VERSION=1.57.0
+ARG NODEJS_VERSION=16
+
+## Build stage that builds the static files/frontend ##
+FROM --platform=${BUILDPLATFORM} docker.io/library/node:${NODEJS_VERSION}-${DEBIAN_VERSION_NAME}-slim AS static-files
+
+WORKDIR /app/crates/static-files
+COPY ./crates/static-files/package.json ./crates/static-files/package-lock.json /app/crates/static-files/
+RUN npm ci
+COPY . /app/
+RUN npm run build
+# Change the timestamp of built files for better caching
+RUN find public -type f -exec touch -t 197001010000.00 {} +
 
 ## Base image with cargo-chef and the right cross-compilation toolchain ##
 # cargo-chef helps with caching dependencies between builds
 # The image Debian base name (bullseye) must be in sync with the runtime variant (debian11)
-FROM --platform=${BUILDPLATFORM} docker.io/library/rust:${RUSTC_VERSION}-slim-bullseye AS chef
+FROM --platform=${BUILDPLATFORM} docker.io/library/rust:${RUSTC_VERSION}-slim-${DEBIAN_VERSION_NAME} AS chef
 
 # Install x86_64 and aarch64 cross-compiling stack
 RUN apt update && apt install -y --no-install-recommends \
@@ -60,6 +75,7 @@ RUN cargo chef cook \
 
 # Build the rest
 COPY . .
+COPY --from=static-files /app/crates/static-files/public /app/crates/static-files/public
 RUN cargo build \
   --release \
   --bin mas-cli \
@@ -68,8 +84,12 @@ RUN cargo build \
 # Move the binary to avoid having to guess its name in the next stage
 RUN mv target/$(/docker-arch-to-rust-target.sh "${TARGETPLATFORM}")/release/mas-cli /mas-cli
 
-## Runtime stage ##
-# The image Debian base name (bullseye) must be in sync with the runtime variant (debian11)
-FROM --platform=${TARGETPLATFORM} gcr.io/distroless/cc-debian11:nonroot
+## Runtime stage, debug variant ##
+FROM --platform=${TARGETPLATFORM} gcr.io/distroless/cc-debian${DEBIAN_VERSION}:debug-nonroot AS debug
+COPY --from=builder /mas-cli /mas-cli
+ENTRYPOINT ["/mas-cli"]
+
+## Runtime stage ##
+FROM --platform=${TARGETPLATFORM} gcr.io/distroless/cc-debian${DEBIAN_VERSION}:nonroot
 COPY --from=builder /mas-cli /mas-cli
 ENTRYPOINT ["/mas-cli"]