feat: build containers for iperf with github actions

.github/workflows/container.yaml

@@ -0,0 +1,60 @@
+---
+name: Build Container
+
+on:
+  pull_request:
+  push:
+    branches: ["master"]
+  release:
+    types: ["published"]
+
+jobs:
+  build-container:
+    if: ${{ github.event.pull_request.head.repo.full_name == github.repository || github.event_name != 'pull_request' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{version}},prefix=v
+            type=semver,pattern={{major}}.{{minor}},prefix=v
+            type=semver,pattern={{major}},prefix=v
+            type=ref,event=branch
+            type=ref,event=pr
+          flavor: |
+            latest=auto
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and Push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./contrib/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            BRANCH=${{ github.ref_name }}

contrib/Dockerfile

@@ -7,9 +7,66 @@
 # - Help: docker run iperf3 --help
 # - Server: docker run -p 5201:5201 -it iperf3 -s
 # - Client: docker run -it iperf3 -c 192.168.1.1 (note: since this is a minimal image and does not include DNS, name resolution will not work)
-FROM scratch
-COPY src/iperf3 /iperf3
-COPY tmp /tmp
-ENTRYPOINT ["/iperf3"]
+
+# Step 1: Build stage
+
+# Building using docker: docker buildx build -t iperf3 -f ./contrib/Dockerfile .
+
+FROM debian:bullseye-slim AS builder
+
+ARG BRANCH=master
+
+# Install dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    ca-certificates \
+    libssl-dev \
+    libtool \
+    autoconf \
+    automake \
+    git \
+    --no-install-recommends
+
+WORKDIR /build
+
+# Clone iperf3 source code
+RUN git clone https://github.com/esnet/iperf.git .
+
+# Checkout stable version
+RUN git checkout ${BRANCH}
+
+# Build iperf3
+RUN ./bootstrap.sh && \
+    ./configure && \
+    make && \
+    make install
+
+# Step 2: Create the minimal image
+FROM gcr.io/distroless/static-debian12:nonroot
+
+# Copy the compiled iperf3 binary from the builder image
+COPY --from=builder /usr/local/bin/iperf3 /usr/local/bin/iperf3
+
+# Copy the required libraries from the builder image
+COPY --from=builder /usr/local/lib/libiperf.so.0 /usr/local/lib/libiperf.so.0
+COPY --from=builder /lib/x86_64-linux-gnu/libc.so.6 /lib/x86_64-linux-gnu/libc.so.6
+COPY --from=builder /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
+COPY --from=builder /lib/x86_64-linux-gnu/libm.so.6 /lib/x86_64-linux-gnu/libm.so.6
+COPY --from=builder /lib/x86_64-linux-gnu/libdl.so.2 /lib/x86_64-linux-gnu/libdl.so.2
+COPY --from=builder /lib/x86_64-linux-gnu/libpthread.so.0 /lib/x86_64-linux-gnu/libpthread.so.0
+
+# Copy required OpenSSL libraries
+COPY --from=builder /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+COPY --from=builder /usr/lib/x86_64-linux-gnu/libssl.so.1.1 /usr/lib/x86_64-linux-gnu/libssl.so.1.1
+
+# Set the library path
+ENV LD_LIBRARY_PATH=/usr/local/lib:/usr/lib/x86_64-linux-gnu
+
+# Expose the default iperf3 port
 EXPOSE 5201
-CMD ["-s"]
+
+# Set the entrypoint
+ENTRYPOINT ["/usr/local/bin/iperf3"]
+# Server Mode
+CMD [ "-s" ]