docker cross compilation

.cargo/config

@@ -0,0 +1,5 @@
+[target.armv7-unknown-linux-gnueabihf]
+linker = "gcc-arm-linux-gnueabihf"
+
+[target.aarch64-unknown-linux-gnu]
+linker = "aarch64-linux-gnu-gcc"

.dockerignore

@@ -10,3 +10,5 @@ configuration.md
 .github/
 examples/
 mssql/
+tests/
+.idea/

Dockerfile

@@ -1,19 +1,40 @@
-FROM rust:1.72-alpine3.17 as builder
-RUN apk add --no-cache musl-dev
+FROM --platform=$BUILDPLATFORM rust:1.72-slim as builder
 WORKDIR /usr/src/sqlpage
-RUN cargo init .
+ARG TARGETARCH
+RUN apt-get update && apt-get install -y musl-tools && \ 
+    if [ "$TARGETARCH" = "amd64" ]; then  \
+        echo x86_64-unknown-linux-gnu > TARGET; \
+        apt-get install -y gcc libgcc-s1; \
+        cp /lib/x86_64-linux-gnu/libgcc_s.so.1 libgcc_s.so.1; \
+    elif [ "$TARGETARCH" = "arm64" ]; then \
+        echo aarch64-unknown-linux-gnu > TARGET; \
+        apt-get install -y gcc-aarch64-linux-gnu libgcc-s1-arm64-cross; \
+        cp /usr/aarch64-linux-gnu/lib/libgcc_s.so.1 libgcc_s.so.1; \
+    elif [ "$TARGETARCH" = "arm" ]; then \
+        echo armv7-unknown-linux-gnueabihf > TARGET; \
+        apt-get install -y gcc-arm-linux-gnueabihf libgcc-s1-armhf-cross; \
+        cp /usr/arm-linux-gnueabihf/lib/libgcc_s.so.1 libgcc_s.so.1; \
+    else \
+        echo "Unknown platform: $TARGETPLATFORM"; \
+        exit 1; \
+    fi && \
+    rustup target add $(cat TARGET) && \
+    cargo init .
 COPY Cargo.toml Cargo.lock ./
-RUN cargo build --profile superoptimized
+COPY .cargo ./.cargo
+RUN cargo build --target $(cat TARGET) --profile superoptimized
 COPY . .
 RUN touch src/main.rs && \
-    cargo build --profile superoptimized
+    cargo build --target $(cat TARGET) --profile superoptimized
+RUN mv target/$(cat TARGET)/superoptimized/sqlpage sqlpage.bin && \
+    strip sqlpage.bin
 
-FROM alpine:3.17
-RUN rm -rf /var/lib/apt/lists/* && \
-    addgroup -S sqlpage && adduser -S sqlpage -G sqlpage
-COPY --from=builder /usr/src/sqlpage/target/superoptimized/sqlpage /usr/local/bin/sqlpage
+FROM busybox:glibc
+RUN addgroup --system sqlpage && \
+    adduser --system --no-create-home --ingroup sqlpage sqlpage
+COPY --from=builder /usr/src/sqlpage/sqlpage.bin /usr/local/bin/sqlpage
+COPY --from=builder /usr/src/sqlpage/libgcc_s.so.1 /lib/libgcc_s.so.1
 WORKDIR /var/www
-COPY --from=builder /usr/src/sqlpage/index.sql .
 USER sqlpage
 EXPOSE 8080
-CMD ["sqlpage"]
+CMD ["/usr/local/bin/sqlpage"]