add GitHub actions scripts and dockerfile

.dockerignore

@@ -0,0 +1,10 @@
+/.github/
+
+Dockerfile*
+docker-compose*.yml
+
+/.data/
+/secret.key
+
+/rogueserver*
+!/rogueserver.go

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: Build
+
+on:
+  push:
+  pull_request:
+
+jobs:
+
+  build:
+    name: Build (${{ matrix.os_name }})
+    env:
+      GO_VERSION: 1.22
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            os_name: linux
+          - os: windows-latest
+            os_name: windows
+          - os: macos-latest
+            os_name: macos
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go ${{ env.GO_VERSION }}
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ env.GO_VERSION }}
+      - name: Install dependencies
+        run: go mod download
+      - name: Test
+        run: go test -v
+      - name: Build
+        run: go build -v
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: rogueserver-${{ matrix.os_name }}-${{ github.sha }}
+          path: |
+            rogueserver*
+            !rogueserver.go

.github/workflows/ghcr.yml

@@ -0,0 +1,36 @@
+name: Publish to GHCR
+
+on:
+  push:
+
+jobs:
+  build:
+    env:
+      GO_VERSION: 1.22
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Docker BuildX
+        uses: docker/setup-buildx-action@v2
+      - name: Log into container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ github.token }}
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+      - name: Build Docker image
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            GO_VERSION=${{ env.GO_VERSION }}
+            VERSION=${{ github.ref_name }}-SNAPSHOT
+            COMMIT_SHA=${{ env.GITHUB_SHA_SHORT }}

Dockerfile

@@ -0,0 +1,29 @@
+ARG GO_VERSION=1.22
+
+FROM golang:${GO_VERSION} AS builder
+
+WORKDIR /src
+
+COPY ./go.mod /src/
+COPY ./go.sum /src/
+
+RUN go mod download && go mod verify
+
+COPY . /src/
+
+RUN CGO_ENABLED=0 \
+    go build -o rogueserver
+
+RUN chmod +x /src/rogueserver
+
+# ---------------------------------------------
+
+FROM scratch
+
+WORKDIR /app
+
+COPY --from=builder /src/rogueserver .
+
+EXPOSE 8001
+
+ENTRYPOINT ["./rogueserver"]