build system updates

Taskfile.yml

@@ -251,3 +251,19 @@ tasks:
     interactive: true
     cmds:
       - "{{.COMPOSE}} exec redis redis-cli"
+
+# ── Registry ──────────────────────────────────────────────────────────────────
+
+  registry:login:
+    desc: Login to Gitea Docker registry
+    cmds:
+      - docker login git.sschuhmann.de
+
+  registry:build:
+    desc: Build all images with version tag (requires git tag)
+    cmds:
+      - bash scripts/build-and-push.sh
+
+  registry:push:
+    desc: Build and push all images to Gitea registry
+    deps: [registry:login, registry:build]