Adding env agnostic docker compose file

.env.example

@@ -0,0 +1,4 @@
+CLOUDFLARE_ACCOUNT_ID="<cloudflare account id>"
+CLOUDFLARE_API_KEY="<cloudflare account key>"
+CLOUDFLARE_EMAIL="<cloudflare email>"
+ENV="<deployment env>"

docker-compose.yaml

@@ -0,0 +1,12 @@
+services:
+  app:
+    image: gitea.hithomelabs.com/hithomelabs/cftunnels:${ENV}
+    container_name: cftunnels_${ENV}
+    environment:
+      - CLOUDFLARE_ACCOUNT_ID=${CLOUDFLARE_ACCOUNT_ID}
+      - CLOUDFLARE_API_KEY=${CLOUDFLARE_API_KEY}
+      - CLOUDFLARE_EMAIL=${CLOUDFLARE_EMAIL}
+      - ENV=${ENV}
+    ports:
+      - 5002:8080
+    restart: unless-stopped