Added docker build workflow.

.github/workflows/docker_image.yml

@@ -0,0 +1,53 @@
+name: Docker Image
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  build-tag:
+
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      packages: write
+
+    env:
+      REGISTRY: ghcr.io
+      IMAGE_NAME: ${{ github.repository }}
+
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          install: true
+
+      - name: Login to Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and also push Dockerimage
+        id: build-and-push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

CHANGES.md

@@ -1,3 +1,8 @@
+1.13.0 (2023-10-31)
+-------------------
+- Refreshed build enviornment
+- We now push tags to ghcr.io instead of an internal docker registry
+
 1.12.0 (2023-08-10)
 -------------------
 - Added the process_by_group keyword to stages to fix a bug that wouldn't allow grouping only by instrument