Update Dockerfile

Dockerfile

@@ -1,43 +1,37 @@
-FROM debian:latest AS builder
-
+FROM docker.io/library/alpine:edge AS builder
 ARG SIMD=1
 
-# Step 1: Update and install dependencies
-RUN apt-get update && \
-    apt-get upgrade -y && \
-    apt-get install -y curl gcc g++ cmake make
-
-# Step 2: Install Rust
-RUN curl -sSf https://sh.rustup.rs | sh -s -- --profile minimal --default-toolchain nightly -y
-
-# Step 3: Set environment variables
-ENV PATH="/root/.cargo/bin:${PATH}"
-
-RUN rustup component add rust-src --toolchain nightly-aarch64-unknown-linux-gnu
+RUN apk upgrade && \
+    apk add curl gcc g++ musl-dev cmake make && \
+    curl -sSf https://sh.rustup.rs | sh -s -- --profile minimal --default-toolchain nightly -y
 
 WORKDIR /build
 
-# Step 4: Copy necessary files
 COPY Cargo.toml Cargo.lock ./
 
-# Step 5: Create dummy main.rs for initial build
-RUN mkdir src/ && echo 'fn main() {}' > ./src/main.rs
-
-# Step 6: Build the project
-RUN cargo build --no-default-features --features no-simd --release;
+RUN mkdir src/
+RUN echo 'fn main() {}' > ./src/main.rs
+RUN source $HOME/.cargo/env && \
+    if [ "$SIMD" == '0' ]; then \
+        cargo build --release --no-default-features --features no-simd; \
+    else \
+        cargo build --release; \
+    fi
 
-# Step 7: Clean up and prepare for the final build
 RUN rm -f target/release/deps/gateway_proxy*
 COPY ./src ./src
 
-# Step 8: Final build
-RUN cargo build --no-default-features --features no-simd --release && \
-    ls -l target/release && \
+RUN source $HOME/.cargo/env && \
+    if [ "$TARGET_CPU" == 'x86-64' ]; then \
+        cargo build --release --no-default-features --features no-simd; \
+    else \
+        cargo build --release; \
+    fi && \
     cp target/release/gateway-proxy /gateway-proxy && \
     strip /gateway-proxy
 
-# Final stage
 FROM scratch
+
 COPY --from=builder /gateway-proxy /gateway-proxy
 
 CMD ["./gateway-proxy"]