build: add digital ocean yaml file and deploy button

.do/deploy.template.yaml

@@ -0,0 +1,40 @@
+name: namviek
+services:
+  - name: namviek-backend
+    git:
+      branch: main
+      repo_clone_url: https://github.com/hudy9x/namviek
+    build_command: npm install && npm run generate2 && npm run build:be
+    run_command: node dist/packages/be-gateway/main.js
+    envs:
+      - key: REDIS_HOST
+        value: <redis host >
+      - key: NEXT_PUBLIC_FE_GATEWAY
+        value: <vercel url>
+      - key: MONGODB_URL
+        value: <mongodb url>
+
+      - key: JWT_VERIFY_USER_LINK_TOKEN_EXPIRED
+        value: 10m
+      - key: JWT_TOKEN_EXPIRED
+        value: 2d
+      - key: JWT_REFRESH_EXPIRED
+        value: 4d
+      - key: JWT_SECRET_KEY
+        value: S3cre23sdu
+      - key: JWT_REFRESH_KEY
+        value: jhiu23867sD
+
+    instance_count: 1
+    instance_size_slug: basic-xs
+    health_check:
+      http_path: /health
+      period_seconds: 10
+      timeout_seconds: 5
+      success_threshold: 1
+      failure_threshold: 3
+    routes:
+      - path: /
+        preserve_path_prefix: true
+    source_dir: /dist/packages/be-gateway
+

README.md

@@ -49,6 +49,8 @@ Please visit [the deployment guide](https://docs.namviek.com/doc/deployment) bef
 
 [![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy?repo=https://github.com/hudy9x/namviek/tree/main)
 
+[![Deploy to DO](https://www.deploytodo.com/do-btn-blue.svg)](https://cloud.digitalocean.com/apps/new?repo=https://github.com/hudy9x/namviek/tree/main)
+
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