Update deployment configuration files for optimized CI/CD pipeline

- Simplified `fly.toml` by removing inline comments.
- Refactored `.woodpecker.yml` pipeline syntax for better clarity and flexibility.
- Adjusted `Dockerfile` to fix `dist` directory path and streamline `CMD` execution.

.woodpecker.yml

@@ -1,27 +1,37 @@
-pipeline:
-  build:
+steps:
+  - name: build
     image: node:20-alpine
+    pull: true
     commands:
       - npm ci
       - npm run build
     when:
-      branch: main
-      event: [push, pull_request]
-  deploy:
-    depends_on: [build]
-    image: flyio/flyctl:latest
-    secrets: [fly_api_token]
-    commands:
-      - flyctl deploy --remote-only
-    when:
-      branch: main
-      event: push
+      branch:
+        include:
+          - main
+      event:
+        include:
+          - push
+          - pull_request
 
-branches:
-  include: [main, dev]
+  - name: deploy
+    image: flyio/flyctl:latest
+    pull: true
+    depends_on:
+      - build
+    secrets:
+      - fly_api_token
+    commands:
+      - flyctl deploy --remote-only --config ./fly.toml
+    when:
+      branch:
+        include:
+          - main
+      event:
+        include:
+          - push
 
 cache:
   mount:
     - node_modules
-    - .npm
-    - dist
+    - dist