static docker image

Dockerfile

@@ -10,14 +10,27 @@ RUN cargo chef prepare --recipe-path recipe.json
 
 FROM base AS builder
 
+ARG TARGETPLATFORM
+ARG RUSTFLAGS='-C target-feature=+crt-static'
+
 COPY --from=planner /app/recipe.json ./
-RUN cargo chef cook --release --recipe-path recipe.json
+RUN if [ "$TARGETPLATFORM" = "linux/amd64" ]; then TARGET=x86_64-unknown-linux-gnu; elif [ "$TARGETPLATFORM" = "linux/arm64" ]; then TARGET=aarch64-unknown-linux-gnu; fi \
+    && cargo chef cook --release --target $TARGET --recipe-path recipe.json
 
 COPY . .
-RUN cargo build --release
+RUN if [ "$TARGETPLATFORM" = "linux/amd64" ]; then TARGET=x86_64-unknown-linux-gnu; elif [ "$TARGETPLATFORM" = "linux/arm64" ]; then TARGET=aarch64-unknown-linux-gnu; fi \
+    && cargo build --release --target $TARGET \
+    && cp -r target/$TARGET/release/conex target/release/conex
+
+FROM alpine:latest AS packer
+
+RUN apk add --no-cache upx
+
+COPY --from=builder /app/target/release/conex /app/conex
+RUN upx --brute /app/conex
 
-FROM gcr.io/distroless/cc-debian12:nonroot AS runtime
+FROM gcr.io/distroless/static-debian12:nonroot AS runtime
 WORKDIR /app
 
-COPY --from=builder /app/target/release/conex ./
+COPY --from=packer /app/conex ./
 CMD ["./conex"]