chore: update github workflow

.github/workflows/docker.yml

@@ -1,29 +1,28 @@
 name: Build Image
 
 on:
-  push:
-    branches:
-      - 'master'
+  workflow_dispatch:
+    inputs:
+      tags:
+        default: 'latest'
+        required: true
+        description: 'Docker image tag'
 
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      -
-        name: Set up QEMU
+      - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
-      -
-        name: Set up Docker Buildx
+      - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
-      -
-        name: Login to Docker Hub
+      - name: Login to Docker Hub
         uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      -
-        name: Build and push
+      - name: Build and push
         uses: docker/build-push-action@v4
         with:
           push: true
-          tags: stulzq/azure-openai-proxy:latest
+          tags: stulzq/azure-openai-proxy:${{ github.event.inputs.tags }}