Add CI/CD pipeline configuration for building and publishing weatherfeeder.

.woodpecker.yml

@@ -0,0 +1,33 @@
+steps:
+  build:
+    image: golang:1.22
+    commands:
+      - go mod edit -dropreplace gitea.maximumdirect.net/ejr/feedkit
+      - mkdir -p dist
+      - CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -trimpath -ldflags "-s -w" -o dist/weatherfeeder ./cmd/weatherfeeder
+      - |
+        cat > Dockerfile.ci <<'EOF'
+        FROM alpine:3.19
+        RUN adduser -D -H app \
+         && apk add --no-cache ca-certificates
+        COPY dist/weatherfeeder /usr/local/bin/weatherfeeder
+        USER app
+        ENTRYPOINT ["/usr/local/bin/weatherfeeder"]
+        EOF
+
+  publish:
+    image: plugins/docker
+    privileged: true
+    settings:
+      registry: harbor.maximumdirect.net
+      repo: harbor.maximumdirect.net/build/weatherfeeder
+      tags:
+        - ${CI_COMMIT_SHA}
+        - latest
+      dockerfile: Dockerfile.ci
+      context: .
+    depends_on:
+      - build
+    when:
+      branch: main
+      event: push