Migrate docker image hosting from docker.pkg.github.com to ghcr.io

docker.pkg.github.com is deprecated; also fixes the semver tag missing
its v-prefix so it matches the tag action.yml actually pulls via
github.action_ref, and updates the README's stale :main pull example.

Author: Naishy

.github/workflows/ci.yml

@@ -37,12 +37,12 @@ jobs:
       - id: docker_meta
         uses: crazy-max/ghaction-docker-meta@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
         with:
-          images: docker.pkg.github.com/appvia/githubUserManager/githubUserManager
+          images: ghcr.io/appvia/githubusermanager
           flavor: |
             latest=true
           tags: |
             type=sha
-            type=semver,pattern={{version}}
+            type=semver,pattern=v{{version}}
           labels: |
             org.opencontainers.image.vendor=appvia
             org.opencontainers.image.documentation=https://github.com/appvia/githubUserManager
@@ -53,11 +53,11 @@ jobs:
         if: ${{ github.event_name != 'pull_request' }}
         uses: docker/login-action@c99871dec2022cc055c062a10cc1a1310835ceb4 # v4.3.0
         with:
-          registry: docker.pkg.github.com
+          registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Push to GitHub Packages
+      - name: Push to ghcr.io
         uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           push: ${{ github.event_name != 'pull_request' }}

README.md

@@ -124,7 +124,7 @@ updates:
 #### Docker
 
 1. Make an [env file](https://www.digitalocean.com/community/tutorials/how-to-read-and-set-environmental-and-shell-variables-on-linux) with the [below table](#Setup-environment-variables)
-1. `docker run --env-file .env docker.pkg.github.com/appvia/githubusermanager/githubusermanager:main`
+1. `docker run --env-file .env ghcr.io/appvia/githubusermanager:latest`
 
 #### node/lambda/cloud run/ something else
 

action.yml

@@ -59,9 +59,9 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - name: Login to docker.pkg.github.com
+    - name: Login to ghcr.io
       shell: bash
-      run: echo ${PASSWORD} | docker login --username ${USERNAME} --password-stdin docker.pkg.github.com
+      run: echo ${PASSWORD} | docker login --username ${USERNAME} --password-stdin ghcr.io
       env:
         USERNAME: ${{ inputs.github-actor }}
         PASSWORD: ${{ inputs.github-token }}
@@ -82,7 +82,7 @@ runs:
         -e SLACK_NOTIFY_ON_ERROR="$SLACK_NOTIFY_ON_ERROR" \
         -e SLACK_NOTIFY_ON_CHANGE="$SLACK_NOTIFY_ON_CHANGE" \
         -e SLACK_NOTIFY_ALWAYS="$SLACK_NOTIFY_ALWAYS" \
-        docker.pkg.github.com/appvia/githubusermanager/githubusermanager:v1.0.5
+        ghcr.io/appvia/githubusermanager:${{ github.action_ref }}
       shell: bash
       env:
         GOOGLE_EMAIL_ADDRESS: ${{ inputs.google-email-address }}