static linux release

.github/workflows/release.yml

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+name: Publish binaries on Release
+on: 
+  release:
+    types: [created]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-20.04
+    steps:
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        docker build -t myrepo:latest -f Dockerfile .
+        id=$(docker create myrepo:latest)
+        docker cp $id:/tcpshark /tmp/tcpshark.bin
+        strip --strip-all /tmp/tcpshark.bin
+
+    - name: Upload Linux binary to release
+      uses: svenstaro/upload-release-action@v2
+      with:
+        repo_token: ${{ secrets.GITHUB_TOKEN }}
+        file: /tmp/tcpshark.bin
+        asset_name: tcpshark-static-musl-linux.bin
+        tag: ${{ github.ref }}
+        overwrite: true
+        body: ""
+

Dockerfile

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+FROM alpine:edge
+LABEL maintainer "Ali Mosajjal <[email protected]>"
+
+SHELL ["/bin/ash", "-c"]
+
+RUN apk add --no-cache libcap-static libpcap-dev linux-headers git go file rpm --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/
+
+ENV DST="/tmp/tcpshark/"
+ENV REPO="github.com/mosajjal/tcpshark"
+RUN git clone https://${REPO}.git ${DST} --depth 1 \
+    && cd ${DST} \
+    && go build --ldflags "-L /usr/lib/libcap.a -linkmode external -extldflags \"-static\"" -o ${DST}/tcpshark
+
+
+FROM scratch
+COPY --from=0 /tmp/tcpshark/tcpshark /tcpshark
+ENTRYPOINT ["/tcpshark"]