add dockerfile

.github/workflows/docker-publish.yml

@@ -0,0 +1,56 @@
+# Adapted from
+# https://github.com/actions/starter-workflows/ci/docker-publish.yml
+name: Publish Docker Container to GHCR
+on:
+  push:
+    # Publish `$default-branch` as Docker `latest` image.
+    branches:
+      #- $default-branch
+      - master
+env:
+  IMAGE_NAME: twitch-firehose
+
+jobs:
+  # Push image to GitHub Packages.
+  # See also https://docs.docker.com/docker-hub/builds/
+  push:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build image
+        run: docker build . --file Dockerfile --tag $IMAGE_NAME
+
+      - name: Log into GitHub Container Registry
+      # TODO: Create a PAT with `read:packages` and `write:packages` scopes and save it as an Actions secret `CR_PAT`
+        run: echo "${{ secrets.CR_PAT }}" | docker login https://ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Push image to GitHub Container Registry
+        run: |
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
+
+          # Change all uppercase to lowercase
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "$default-branch" ] && VERSION=latest
+
+          echo IMAGE_ID=$IMAGE_ID
+          echo VERSION=$VERSION
+
+          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION
+
+          SHORT_SHA=$(echo ${GITHUB_SHA} | cut -c1-12)
+
+          docker tag $IMAGE_NAME $IMAGE_ID:$SHORT_SHA
+          docker push $IMAGE_ID:$SHORT_SHA
+

Dockerfile

@@ -0,0 +1,54 @@
+# Unsure if I want to create minimal images yet that run under Alpine Linux.
+# I have instructions for that here: https://hub.docker.com/r/echelon/testcontainer/dockerfile
+FROM ubuntu:xenial as build
+WORKDIR /tmp
+
+RUN apt-get update \
+    && apt-get install -y \
+        build-essential \
+        curl \
+        libssl-dev \
+        libssl1.0.0 \
+        pkg-config \
+        unzip \
+        wget
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
+    | sh  -s -- --default-toolchain stable -y
+
+COPY Cargo.lock . 
+COPY Cargo.toml .
+COPY src/ ./src
+COPY protos/ ./protos
+
+RUN $HOME/.cargo/bin/cargo fetch
+
+#RUN LD_LIBRARY_PATH=/usr/lib:${LD_LIBRARY_PATH} $HOME/.cargo/bin/cargo build
+RUN LD_LIBRARY_PATH=/usr/lib:${LD_LIBRARY_PATH} $HOME/.cargo/bin/cargo build --release
+
+# Final image
+#FROM ubuntu:xenial
+WORKDIR /
+
+# NB: Comment this out for non-debug images
+# TODO: Figure out how this is done elsewhere with just the static binaries
+RUN apt-get update \
+    && apt-get install -y \
+        curl \
+        wget
+
+#COPY --from=build /tmp/target/debug/twitch-firehose /
+COPY --from=build /tmp/target/release/twitch-firehose /
+
+# SSL certs are required for crypto
+COPY --from=build /etc/ssl /etc/ssl
+
+# Required dynamically linked libraries
+COPY --from=build /lib/x86_64-linux-gnu/libssl.*             /lib/x86_64-linux-gnu/
+COPY --from=build /lib/x86_64-linux-gnu/libcrypto.*          /lib/x86_64-linux-gnu/
+
+# Make sure all the links resolve
+RUN ldd twitch-firehose
+
+EXPOSE 8080
+CMD LD_LIBRARY_PATH=/usr/lib /twitch-firehose
+