heroku workflows

Author: igorvieira

.github/workflows/main.yml

@@ -0,0 +1,29 @@
+name: CI
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build Docker image
+        run: docker build -t registry.heroku.com/${{ secrets.HEROKU_APP }}/web:latest .
+
+      - name: Docker image info
+        run: docker images
+
+      - name: Login to container registry
+        env:
+          HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
+        run: heroku container:login
+
+      - name: Push Docker image
+        run: docker push registry.heroku.com/${{ secrets.HEROKU_APP }}/web
+
+      - name: Release
+        env:
+          HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
+        run: heroku container:release -a ${{ secrets.HEROKU_APP }} web

Dockerfile

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+FROM rust:1.60 as build
+
+RUN USER=root cargo new --bin holy
+WORKDIR /holy
+
+COPY ./Cargo.lock ./Cargo.lock
+COPY ./Cargo.toml ./Cargo.toml
+RUN cargo build --release
+
+RUN rm src/*.rs
+COPY ./src ./src
+
+RUN rm ./target/release/deps/holy*
+RUN cargo build --release
+
+FROM debian:buster-slim
+COPY --from=build /holy/target/release/holy .
+
+CMD ["./holy"]