created CD pipeline to complement the existing gitea/woodpecker CI pipeline: build, push to registry, deploy to staging on main

.woodpecker.yaml

@@ -21,4 +21,32 @@ steps:
       - status: failure
     commands:
       - cat ./src/functional_tests/screendumps/*.html || echo "No screendumps found"
+
+  - name: build-and-push
+    image: docker:cli
+    environment:
+      REGISTRY_PASSWORD:
+        from_secret: gitea_registry_password
+    commands: 
+      - echo "$REGISTRY_PASSWORD" | docker login gitea.earthmanrpg.me -u discoman --password-stdin
+      - docker build -t gitea.earthmanrpg.me/discoman/gamearray:latest .
+      - docker push gitea.earthmanrpg.me/discoman/gamearray:latest
+    when:
+      - branch: main
+      - event: push
+
+  - name: deploy
+    image: alpine
+    environment:
+      SSH_KEY:
+        from_secret: deploy_ssh_key
+    commands:
+      - apk add --no-cache openssh-client
+      - mkdir -p ~/.ssh
+      - printf '%s\n' "$SSH_KEY" > ~/.ssh/id_ed25519
+      - chmod 600 ~/.ssh/id_ed25519
+      - ssh -o StrictHostKeyChecking=no discoman@staging.earthmanrpg.me /opt/gamearray/deploy.sh
+    when:
+      - branch: main
+      - event: push