Fix: enables CGo to allow Go to use C libs

Author: naviat

Dockerfile

@@ -1,42 +1,32 @@
 # Build stage
-FROM golang:1.22 as builder
+FROM golang:1.22 AS builder
 
-# Set working directory
-WORKDIR /tmp
+# Set necessary environment variables
+ENV CGO_ENABLED=1
+ENV GOOS=linux
+ENV GOARCH=amd64
 
-# Install dependencies
-#RUN apk add --no-cache make gcc musl-dev linux-headers git
-RUN apt-get update && apt-get install -y git musl-dev make
+WORKDIR /tmp
 
-# Clean the Go module cache
-RUN go clean -modcache
+RUN apt-get update && apt-get install -y --no-install-recommends make gcc g++ musl-dev git && rm -rf /var/lib/apt/lists/*
 
-# Clone the specific branch of the Sonic repository and build the application
 RUN git clone --depth 1 --branch v1.2.1-f https://github.com/Fantom-foundation/Sonic.git && \
     cd Sonic && \
     make all
 
 # Final stage
-FROM alpine:latest
 
-# Set working directory
+FROM ubuntu:22.04
+
 WORKDIR /root/.sonic
 
-# Install ca-certificates for HTTPS
-RUN apk add --no-cache ca-certificates curl jq
+# Install runtime dependencies, including glibc
+RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates curl jq && rm -rf /var/lib/apt/lists/*
 
 # Copy binaries from builder stage
-COPY --from=builder /tmp/Sonic/build/sonicd /usr/local/bin/
-COPY --from=builder /tmp/Sonic/build/sonictool /usr/local/bin/
-
-# Create a non-root user
-RUN adduser -D -u 1000 sonic
-
-# Switch to non-root user
-USER sonic
+COPY --from=builder /tmp/Sonic/build/ /usr/local/bin
 
-# Expose necessary ports
-EXPOSE 5050 5050/udp 80 18546 18545
+# Expose Sonic's default ports (change if necessary)
+EXPOSE 18545 18546
 
-# Set the entrypoint (default to running sonicd, but can be overridden)
-ENTRYPOINT ["sonicd"]
+ENTRYPOINT ["sonicd"]