Update docker-build.yml

Automate build

Author: david-thrower

.github/workflows/docker-build.yml

@@ -5,7 +5,7 @@ name: Docker Build
 
 on:
   push:
-    branches: [ "main", "311-from-310-add-mlflow-autolog-to-stage-1-b" ]
+    branches: [ "main", "312-from-311-add-automated-dockerhub-push-of-container" ]
 
 permissions:
   contents: read
@@ -35,3 +35,17 @@ jobs:
           -e PHASE_I_B_VAL_SPLIT=0.15 \
           -e MAX_SEQ_LENGTH=96 \
           davidt101/cerebros-llm:${{ github.run_number }}
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v4
+      if: ${{ github.ref_name == '312-from-311-add-automated-dockerhub-push-of-container' }}
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Push Docker Image
+      if: ${{ github.ref_name == '312-from-311-add-automated-dockerhub-push-of-container' }}
+      run: |
+        docker tag davidt101/cerebros-llm:${{ github.run_number }} davidt101/cerebros-llm:latest
+        docker push davidt101/cerebros-llm:${{ github.run_number }}
+        docker push davidt101/cerebros-llm:latest