fix: correct docker-publish workflow (was Dockerfile content)

Author: ayobi

.github/workflows/docker-publish.yml

@@ -1,22 +1,46 @@
-# -------- builder --------
-FROM rust:1-bookworm AS builder
+name: Build and Push Docker Image
 
-WORKDIR /app
+on:
+  push:
+    tags:
+      - "v*"
 
-COPY Cargo.toml Cargo.lock ./
-COPY src ./src
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
 
-RUN cargo build --release --locked
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
 
-# -------- runtime --------
-FROM debian:bookworm-slim AS runtime
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
 
-RUN apt-get update -y \
-  && apt-get install -y --no-install-recommends --fix-missing hmmer ca-certificates \
-  && apt-get clean \
-  && rm -rf /var/lib/apt/lists/*
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-COPY --from=builder /app/target/release/itsxrust /usr/local/bin/itsxrust
+      - name: Extract metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest
 
-ENTRYPOINT ["itsxrust"]
-CMD ["--help"]
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}