Build distribution image for job package.

Author: metalwhale

.github/workflows/job.yml

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+name: job
+on:
+  push:
+    branches:
+      - distribution
+    paths:
+      - chloria-backend/chloria-job/**
+      - chloria-backend/Dockerfile.dist-job
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: metalwhaledev
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: "{{defaultContext}}:chloria-backend"
+          file: Dockerfile.dist-job
+          push: true
+          tags: metalwhaledev/chloria-job:0.1.0

chloria-backend/Dockerfile.dist-job

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+# Build
+FROM rust:1.84.0-bookworm AS build
+
+COPY . /usr/src/chloria-backend/
+
+WORKDIR /usr/src/chloria-backend/
+
+RUN cargo install diesel_cli@2.2.7 --no-default-features --features postgres
+RUN cargo build --release --package chloria-job
+
+# Distribution
+FROM debian:bookworm-20250203-slim
+
+RUN apt update -y && \
+    apt install -y libpq5 ca-certificates
+
+COPY --from=build /usr/local/cargo/bin/diesel /bin/diesel
+COPY --from=build /usr/src/chloria-backend/target/release/chloria-job /bin/chloria-job
+COPY ./chloria-job/migrations /usr/src/chloria-job/migrations
+
+WORKDIR /usr/src/chloria-job/