feat(infra): add docker image build and deploy pipeline (#13)

apps/miniapp/nginx.conf

@@ -0,0 +1,16 @@
+server {
+  listen 8080;
+  server_name _;
+
+  root /usr/share/nginx/html;
+  index index.html;
+
+  location = /health {
+    default_type application/json;
+    return 200 '{"ok":true}';
+  }
+
+  location / {
+    try_files $uri $uri/ /index.html;
+  }
+}