try harder to build docker images, and switch to ghcr.io

.github/workflows/docker.yml

@@ -5,8 +5,9 @@ on:
   push:
     branches:
       - master
-  release:
-    types: [published]
+    tags:
+      - '**'
+  workflow_dispatch:
 
 jobs:
   build:
@@ -22,28 +23,26 @@ jobs:
       with:
         # list of Docker images to use as base name for tags
         images: |
-          icecube/file-catalog
-        flavor: |
-          latest=auto
-          prefix=
-          suffix=
+          ghcr.io/wipacrepo/file_catalog
         # add git short SHA as Docker tag
-        tags: |
-          type=semver,pattern={{major}}
-          type=semver,pattern={{major}}.{{minor}}
-          type=semver,pattern={{major}}.{{minor}}.{{patch}}
+        tag-sha: true
+        tag-semver: |
+            {{major}}
+            {{major}}.{{minor}}
+            {{major}}.{{minor}}.{{patch}}
 
     - name: Login to DockerHub
       uses: docker/login-action@v1
+      if: ${{ github.event_name != 'pull_request' }}
       with:
-        username: ${{ secrets.DOCKERHUB_USERNAME }}
-        password: ${{ secrets.DOCKERHUB_TOKEN }}
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Push Docker Image
       uses: docker/build-push-action@v2
       with:
         context: .
-        builder: ${{ steps.buildx.outputs.name }}
         tags: ${{ steps.docker_meta.outputs.tags }}
         labels: ${{ steps.docker_meta.outputs.labels }}
         push: ${{ github.event_name != 'pull_request' }}