Use a rust layer with a full app build

.github/workflows/docker-v2.yml

@@ -83,20 +83,21 @@ jobs:
     name: Build libcorerust
     runs-on: ${{ matrix.os }}
     container:
-      image: radixdlt/build-layers:rust-v1
+      image: radixdlt/build-layers:rust-full-build
       options: --user root
     steps:
       - name: Checkout
         uses: RDXWorks-actions/checkout@main
-      - name: Setup rust toolchain
-        uses: RDXWorks-actions/[email protected]
-      - name: Setup rust cache
-        uses: RDXWorks-actions/rust-cache@master
-        with:
-          workspaces: core-rust
+      - name: Copy target directory
+        run: |
+          mv /app/core-rust/target ./core-rust/target
       - name: Build
         working-directory: core-rust
         run: |
+          export PATH="$PATH:/root/.cargo/bin"
+          which cargo
+          rustup default 1.77
+          du -hs target
           cargo build --profile=release
       - name: Upload artifacts
         uses: RDXWorks-actions/upload-artifact-v4@main

docker/dockerfiles/rust.dockerfile

@@ -37,10 +37,11 @@ RUN apt-get update \
 # We fix the version of Rust here to ensure that we can update it without having
 # issues with the caching layers containing outdated versions which aren't compatible.
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs -o rustup.sh \
-  && sh rustup.sh -y --target 1.71.1-aarch64-unknown-linux-gnu 1.71.1-x86_64-unknown-linux-gnu --default-toolchain 1.77.2
+  && sh rustup.sh -y --default-toolchain 1.77.2
 
-RUN "$HOME/.cargo/bin/cargo" install sccache --version 0.7.4
+ENV PATH="$PATH:/root/.cargo/bin"
 
-ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc
-ENV CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER=x86_64-linux-gnu-gcc
-ENV RUSTC_WRAPPER=/root/.cargo/bin/sccache
+COPY . .
+
+RUN cd core-rust && \
+    cargo build --profile=release