Start work on building final docker image

build.earth

@@ -38,5 +38,67 @@ docs:
 
     SAVE ARTIFACT output/* AS LOCAL build/docs/
 
+rust-deps:
+    FROM rust:latest
+    ENV CARGO_HOME=/deps
+    WORKDIR /work
+
+    COPY ./web/Cargo.toml .
+    # This is a binary program, expose a main.rs file
+    RUN mkdir src && touch src/main.rs
+    RUN cargo fetch
+    SAVE ARTIFACT /deps
+
+rust-builder:
+    FROM rust:latest
+    ENV CARGO_HOME=/deps
+    WORKDIR /work
+
+    # Linux
+    RUN rustup target add x86_64-unknown-linux-musl
+
+    RUN cargo install cargo-deb
+
+    SAVE IMAGE docker-wg:5000/rust-builder
+
+build:
+    FROM +rust-builder
+
+    COPY +rust-deps/deps /deps
+
+    ARG TOOLCHAIN=x86_64-unknown-linux-musl
+
+    # Cache whatever dependency builds you can
+    COPY ./web/Cargo.toml .
+    RUN \
+        mkdir src && touch src/lib.rs && \
+        cargo build --offline --release --target "$TOOLCHAIN" --jobs 1 && \
+        rm src/lib.rs && rmdir src && \
+        :
+
+    # Actually build the program
+    COPY ./web .
+    RUN cargo build --offline --release --target "$TOOLCHAIN" --jobs 1
+
+    ARG EXT
+    ARG STRIP_CMD=x86_64-linux-gnu-strip
+    ARG APP_NAME=web
+
+    RUN if [ "$STRIP_CMD" ]; then "$STRIP_CMD" "target/$TOOLCHAIN/release/$APP_NAME$EXT"; fi
+    # --force for windows since multiple hardlinks
+    RUN xz --force --keep "target/$TOOLCHAIN/release/$APP_NAME$EXT"
+
+    # Also build a deb file
+    IF [ -z "${TOOLCHAIN##*-linux-*}" ]
+        RUN echo "Building deb for ${TOOLCHAIN}"
+        RUN cargo deb --target "${TOOLCHAIN}"
+
+        SAVE ARTIFACT target/$TOOLCHAIN/debian/$APP_NAME_*.deb AS LOCAL dist/
+    END
+
+    # SAVE ARTIFACT target/$TOOLCHAIN/release/$APP_NAME$EXT AS LOCAL dist/
+    SAVE ARTIFACT target/$TOOLCHAIN/release/$APP_NAME$EXT.xz AS LOCAL dist/$APP_NAME-$TOOLCHAIN$EXT.xz
+
 all:
     BUILD +docs
+    BUILD +build