added deployment configuration

config/Caddyfile

@@ -0,0 +1,13 @@
+guess-the-output.thecodinglab.dev {
+  tls internal
+
+  reverse_proxy /socket.io/* backend:3000 {
+    header_up Host {host}
+    header_up X-Real-IP {remote}
+  }
+
+  log {
+    output stdout
+    level DEBUG
+  }
+}

config/docker-compose.yml

@@ -0,0 +1,16 @@
+version: '3.8'
+
+services:
+  caddy:
+    container_name: caddy
+    image: caddy:2
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile
+    ports:
+      - 80:80
+      - 443:443
+
+  backend:
+    container_name: backend
+    image: ghcr.io/thecodinglab/guess-the-output/backend:latest
+    restart: unless-stopped