Push echo server

echo/docker-compose.yml

@@ -0,0 +1,10 @@
+version: "3.7"
+
+services:
+  app_proxy:
+    environment:
+      APP_HOST: echo_server_1
+      APP_PORT: 8080
+  
+  server:
+    image: mendhak/http-https-echo:24@sha256:383b3c04d6e83c2557ce049ab10d46bae4fb6c4e4e4ce420a1f2902381220318

echo/umbrel-app.yml

@@ -0,0 +1,22 @@
+manifestVersion: 1
+id: echo
+category: Networking
+name: Echo
+version: "1.3.9"
+tagline: Echo Echo Echo
+description: >-
+  A simple HTTP echo server
+developer: Mendhak
+website: https://example.com
+dependencies: []
+repo: https://github.com/example/echo
+support: https://github.com/example/echo/issues
+port: 41414
+gallery:
+  - 1.jpg
+  - 2.jpg
+  - 3.jpg
+path: ""
+defaultUsername: ""
+defaultPassword: ""
+torOnly: false