Add .dockerignore, transfer dockerfile to deploy folder

Author: Suput

.dockerignore

@@ -0,0 +1,9 @@
+.git/
+.vscode/
+.idea/
+.github/
+Backend/
+deploy/
+!deploy/*.conf
+**/*.md
+docker-compose*.yml

.github/workflows/prod.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Build image
-        run: docker build . --file Dockerfile --tag $IMAGE_NAME
+        run: docker build . --file deploy/Dockerfile --tag $IMAGE_NAME
 
       - name: Log in to registry
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin