.github/workflows/publish-images.yml

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+# .github/workflows/publish-images.yml — slice F (spec §6.3 + §11).
+#
+# Tag-push workflow: builds + pushes all four first-party images to the
+# git.adlee.work/alee/rutster-* registry namespace. linux/amd64 only (spec
+# §1.2 / ADR-0011 — arm64 is a named deferral).
+#
+# Gating: runs AFTER and gated on the existing fmt/clippy/test/deny/sim-bench
+# + image-build pipeline. The publish workflow re-runs the fmt/clippy/test/
+# deny matrix as a `needs:` chain (cheap when nothing changed) + builds all
+# four images from the same Dockerfile CI's image-build job uses. This makes
+# the published image byte-identical to the one CI tested — the "registry tag
+# points at a tested image" invariant operators rely on.
+#
+# Registry namespace: git.adlee.work/alee/rutster-* (matches the `alee` tea
+# login per AGENTS.md Git workflow + the root Cargo.toml's `repository`
+# field). If your Gitea registry uses a different owner segment, replace
+# `alee` throughout this file (REGISTRY_NAMESPACE below).
+
+name: Publish Images
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+env:
+  REGISTRY: git.adlee.work
+  REGISTRY_NAMESPACE: alee
+  PLATFORMS: linux/amd64
+
+jobs:
+  # The publish workflow is its own pipeline; it re-runs fmt/clippy/test/deny
+  # + builds the images + then publishes. The fmt/clippy/test/deny re-runs
+  # are cheap on a green repo (cache hits, fast fmt + clippy + test), and
+  # they make a critical guarantee: the version published under a `v*` tag
+  # has ALL the repo's quality gates green at that exact commit. Without
+  # this `needs:` chain, a tag could be pushed at a commit where the matrix
+  # failed but image-build happened to succeed on a flake.
+  fmt:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - run: cargo fmt --check
+
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - name: Install libopus (media crate FFI dep)
+        run: apt-get update && apt-get install -y libopus-dev
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo clippy --all --all-targets -- -D warnings
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        toolchain: [stable, "1.85"]
+    steps:
+      - uses: actions/checkout@v4
+
+      # Seam gate (mirror of .github/workflows/ci.yml's test job —
+      # loop_driver.rs + rtc_session.rs stay byte-identical to slice-3/5).
+      - name: Seam gate — loop_driver frozen + rtc_session pinned
+        run: |
+          EXPECTED_LOOP_DRIVER='744bf314edf7f4925c8bb3bd0f5176dbc88f8113'
+          EXPECTED_RTC_SESSION='f47d63b9a2883d37066a93c9daa0e2cf8816bec4'
+          GOT_LOOP_DRIVER=$(git hash-object crates/rutster-media/src/loop_driver.rs)
+          GOT_RTC_SESSION=$(git hash-object crates/rutster-media/src/rtc_session.rs)
+          [ "$GOT_LOOP_DRIVER" = "$EXPECTED_LOOP_DRIVER" ] || exit 1
+          [ "$GOT_RTC_SESSION" = "$EXPECTED_RTC_SESSION" ] || exit 1
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.toolchain }}
+      - name: Install libopus (media crate FFI dep)
+        run: apt-get update && apt-get install -y libopus-dev
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo test --all
+
+  deny:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: EmbarkStudios/cargo-deny-action@v2
+        with:
+          command: check
+
+  sim-bench:
+    name: sim-bench (stable)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - name: Install libopus (media crate FFI dep)
+        run: apt-get update && apt-get install -y libopus-dev
+      - uses: Swatinem/rust-cache@v2
+      - name: cargo fmt + clippy on sim-bench feature paths
+        run: |
+          cargo fmt --all --check
+          cargo clippy --all --all-targets --features=sim-bench -- -D warnings
+      - name: Run sim-bench threshold sweep
+        run: cargo test --all --features=sim-bench -- --test-threads=1
+
+  publish:
+    name: Publish 4 images to git.adlee.work/alee/rutster-*
+    runs-on: ubuntu-latest
+    needs: [fmt, clippy, test, deny, sim-bench]
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build-time host deps (belt-and-braces)
+        run: sudo apt-get update && sudo apt-get install -y libopus-dev
+
+      - name: Log in to Gitea registry
+        # GITEA_REGISTRY_USERNAME + GITEA_REGISTRY_PASSWORD are repo secrets
+        # set by the maintainer (per AGENTS.md Git workflow — the `alee`
+        # tea login). The username is `alee` (matches REGISTRY_NAMESPACE).
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.GITEA_REGISTRY_USERNAME }}
+          password: ${{ secrets.GITEA_REGISTRY_PASSWORD }}
+
+      - name: Determine tags
+        id: tags
+        # Two tags per image: the version tag (github.ref_name, e.g. v0.1.0)
+        # + `latest`. Operators can pin to either; `latest` is the
+        # convenience tag that always points at the most recent release.
+        run: |
+          echo "version_tag=${GITHUB_REF_NAME}" >> $GITHUB_OUTPUT
+          echo "namespace=${REGISTRY}/${REGISTRY_NAMESPACE}" >> $GITHUB_OUTPUT
+
+      - name: Build + push rutster-engine
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: deploy/Dockerfile
+          target: rutster-engine
+          platforms: ${{ env.PLATFORMS }}
+          tags: |
+            ${{ steps.tags.outputs.namespace }}/rutster-engine:${{ steps.tags.outputs.version_tag }}
+            ${{ steps.tags.outputs.namespace }}/rutster-engine:latest
+          push: true
+          cache-from: type=gha,scope=rutster-engine
+          cache-to: type=gha,mode=max,scope=rutster-engine
+
+      - name: Build + push rutster-brain
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: deploy/Dockerfile
+          target: rutster-brain
+          platforms: ${{ env.PLATFORMS }}
+          tags: |
+            ${{ steps.tags.outputs.namespace }}/rutster-brain:${{ steps.tags.outputs.version_tag }}
+            ${{ steps.tags.outputs.namespace }}/rutster-brain:latest
+          push: true
+          cache-from: type=gha,scope=rutster-brain
+          cache-to: type=gha,mode=max,scope=rutster-brain
+
+      - name: Build + push rutster-edge
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: deploy/Dockerfile
+          target: rutster-edge
+          platforms: ${{ env.PLATFORMS }}
+          tags: |
+            ${{ steps.tags.outputs.namespace }}/rutster-edge:${{ steps.tags.outputs.version_tag }}
+            ${{ steps.tags.outputs.namespace }}/rutster-edge:latest
+          push: true
+          cache-from: type=gha,scope=rutster-edge
+          cache-to: type=gha,mode=max,scope=rutster-edge
+
+      - name: Build + push rutster-allinone
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: deploy/Dockerfile
+          target: rutster-allinone
+          platforms: ${{ env.PLATFORMS }}
+          tags: |
+            ${{ steps.tags.outputs.namespace }}/rutster-allinone:${{ steps.tags.outputs.version_tag }}
+            ${{ steps.tags.outputs.namespace }}/rutster-allinone:latest
+          push: true
+          cache-from: type=gha,scope=rutster-allinone
+          cache-to: type=gha,mode=max,scope=rutster-allinone