Add Woodpecker pipeline

.woodpecker.yml

@@ -0,0 +1,15 @@
+steps:
+  build:
+    image: docker
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    commands:
+      - docker build -t test-app:latest .
+      - docker stop test-app 2>/dev/null || true
+      - docker rm test-app 2>/dev/null || true
+      - docker run -d --name test-app --network traefik-net
+          --label "traefik.enable=true"
+          --label "traefik.http.routers.test-app.rule=Host(\"test-app.2secure.pl\")"
+          --label "traefik.http.routers.test-app.tls.certresolver=letsencrypt"
+          --label "traefik.http.services.test-app.loadbalancer.server.port=80"
+          test-app:latest