Rename build_GPU to build_GPU.yml

.github/workflows/build_GPU.yml

@@ -0,0 +1,30 @@
+name: Build_Subgen_Dockerfile_GPU
+
+on:
+  push:
+  #  branches:
+  #    - 'main'
+  #  paths-ignore:
+  #    - '**.md'
+  #    - '**.yml'
+    paths:
+      - 'requirements.txt'
+  workflow_dispatch:
+
+jobs:
+ 
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3.0.0
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push GPU
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: mccloud/subgen:latest