diff --git a/build/Containerfile.controlplane b/build/Containerfile.controlplane
index 3ba7f876..68d88dcf 100644
--- a/build/Containerfile.controlplane
+++ b/build/Containerfile.controlplane
@@ -1,15 +1,16 @@
-FROM --platform=$BUILDPLATFORM tonistiigi/xx AS xx
+FROM --platform=$BUILDPLATFORM tonistiigi/xx AS xx-tools
 
 FROM --platform=$BUILDPLATFORM rust:alpine
 ARG TARGETPLATFORM
+ARG PROJECT_DIR=/workspace
+ARG BUILD_DIR=$PROJECT_DIR/build
 
-RUN apk add clang lld
-COPY --from=xx / /
+RUN apk add --no-cache clang lld
+COPY --from=xx-tools / /
 
 WORKDIR /workspace
-
-RUN --mount=type=bind,source=src,target=src \
-    --mount=type=bind,source=Cargo.toml,target=Cargo.toml \
-    --mount=type=bind,source=Cargo.lock,target=Cargo.lock \
-    xx-cargo build --release --target-dir ./build && \
+RUN --mount=type=bind,source=../controlplane/src/,target=src \
+    --mount=type=bind,source=../controlplane/Cargo.toml,target=Cargo.toml \
+    --mount=type=bind,source=../controlplane/Cargo.lock,target=Cargo.lock \
+    xx-cargo build --release --target-dir $BUILD_DIR && \
     xx-verify ./build/$(xx-cargo --print-target-triple)/release/controller