Dockerize application and add CI

.github/workflows/main.yml

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+name: ci
+
+on:
+  push:
+    branches:
+      - "**"
+    tags:
+      - "v*.*.*"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        toolchain:
+          - 1.78.0
+    steps:
+      - uses: actions/checkout@v4
+      - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
+      - run: cargo build --verbose
+      - run: cargo test --verbose
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      # See https://web.archive.org/web/20240729104252/https://docs.docker.com/build/ci/github-actions/manage-tags-labels/
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/Bastian/data-processor
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+      # See https://web.archive.org/web/20240709084932/https://docs.github.com/en/actions/creating-actions/creating-a-docker-container-action
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

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+ARG RUST_VERSION=1.79.0
+ARG APP_NAME=data-processor
+
+
+FROM rust:${RUST_VERSION} AS build
+ARG APP_NAME
+WORKDIR /app
+
+# Build the application.
+# Leverage a cache mount to /usr/local/cargo/registry/
+# for downloaded dependencies, a cache mount to /usr/local/cargo/git/db
+# for git repository dependencies, and a cache mount to /app/target/ for
+# compiled dependencies which will speed up subsequent builds.
+# Leverage a bind mount to the src directory to avoid having to copy the
+# source code into the container. Once built, copy the executable to an
+# output directory before the cache mounted /app/target is unmounted.
+RUN --mount=type=bind,source=src,target=src \
+    --mount=type=bind,source=Cargo.toml,target=Cargo.toml \
+    --mount=type=bind,source=Cargo.lock,target=Cargo.lock \
+    --mount=type=cache,target=/app/target/ \
+    --mount=type=cache,target=/usr/local/cargo/git/db \
+    --mount=type=cache,target=/usr/local/cargo/registry/ \
+cargo build --locked --release && \
+cp ./target/release/$APP_NAME /bin/server
+
+FROM debian:stable-slim AS final
+
+COPY --from=build /bin/server /bin/
+
+EXPOSE 8080
+
+CMD ["/bin/server"]