on tagging

.github/workflows/docker.yml

@@ -3,8 +3,8 @@ name: ci
 on:
   workflow_dispatch:
   push:
-    branches:
-      - "main"
+    tags:
+      - "v*.*.*"
 
 jobs:
   docker:
@@ -14,6 +14,14 @@ jobs:
         uses: docker/setup-qemu-action@v1
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
+      - name: Docker Labels
+        id: meta
+        uses: crazy-max/ghaction-docker-meta@v2
+        with:
+          images: cupcakearmy/cryptgeon
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
@@ -24,6 +32,6 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           push: true
-          tags: cupcakearmy/cryptgeon:latest
+          tags: ${{ steps.meta.outputs.tags }}
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}