Setup CD: Docker image and action to push to GH container registry (#61)

.dockerignore

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+/target
+/Dockerfile
+/.qovery.yml

.github/workflows/deployment.yml

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+name: Deployment
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build-docker-image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.CR_PAT }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: |
+            ghcr.io/${{ github.repository }}:latest

Dockerfile

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+FROM buildpack-deps:buster as build
+
+ENV RUSTUP_HOME=/usr/local/rustup \
+    CARGO_HOME=/usr/local/cargo \
+    PATH=/usr/local/cargo/bin:$PATH
+
+COPY rust-toolchain /src/
+
+RUN set -eux; \
+    \
+    url="https://static.rust-lang.org/rustup/dist/x86_64-unknown-linux-gnu/rustup-init"; \
+    wget "$url"; \
+    chmod +x rustup-init; \
+    ./rustup-init -y --no-modify-path --default-toolchain $(cat /src/rust-toolchain); \
+    rm rustup-init; \
+    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
+    rustup --version; \
+    cargo --version; \
+    rustc --version;
+
+COPY . /src
+RUN cargo install --path /src
+
+FROM debian:buster
+
+LABEL org.opencontainers.image.source https://github.com/deps-rs/deps.rs
+
+RUN set -ex; \
+    apt-get update; \
+    DEBIAN_FRONTEND=noninteractive \
+    apt-get install -y --no-install-recommends libssl-dev; \
+    rm -rf /var/lib/apt/lists/*
+
+COPY --from=build /usr/local/cargo/bin/shiny-robots /usr/local/bin
+
+EXPOSE 8080
+CMD /usr/local/bin/shiny-robots