adding docker registry

.github/workflows/workflow.yml

@@ -0,0 +1,31 @@
+name: Build Docker Images
+on:
+  workflow_dispatch: 
+  push:
+    branches:
+      - main
+jobs:
+  publish:
+    name: Publish Docker Container
+    runs-on: ubuntu-latest
+    steps:
+      -
+        uses: actions/checkout@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Build and push web
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: small-docker/girder.Dockerfile
+          tags: ghcr.io/bryonlewis/dive-dsa-slicer/dive-dsa-slicer:latest
+          push: true

small-docker/docker-compose.yml

@@ -0,0 +1,7 @@
+version: "3.8"
+services:
+  dive-dsa-slicer:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: ghcr.io/bryonlewis/dive-dsa-slicer/dive-dsa-slicer:${TAG:-latest}