Migrate from Docker Hub to GHCR

.github/workflows/build.yml

@@ -0,0 +1,15 @@
+on:
+  push:
+
+name: Build
+
+jobs:
+
+  docker-build:
+    name: Build Docker image
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build Docker image
+        run: |
+          docker build -t ghcr.io/spaceapi-community/spaceapi-sensor-logger:latest .

.github/workflows/publish.yml

@@ -0,0 +1,33 @@
+on:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '30 3 * * 2'
+
+name: Publish
+
+jobs:
+
+  docker-publish:
+    name: Publish Docker image
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build Docker image
+        run: |
+          docker build \
+            --no-cache \
+            -t ghcr.io/spaceapi-community/spaceapi-sensor-logger:latest \
+            -t ghcr.io/spaceapi-community/spaceapi-sensor-logger:v1 \
+            --label "org.opencontainers.image.source=$GITHUB_SERVER_URL/$GITHUB_REPOSITORY" \
+            .
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Push Docker image
+        run: |
+          docker push -a ghcr.io/spaceapi-community/spaceapi-sensor-logger

README.md

@@ -1,6 +1,6 @@
 # SpaceAPI InfluxDB Sensor Logger
 
-[![Docker Image Size (tag)](https://img.shields.io/docker/image-size/spaceapi/influxdb-sensor-logger/latest)](https://hub.docker.com/r/spaceapi/influxdb-sensor-logger)
+[![Docker Image][docker-image-badge]][docker-image]
 
 A Python 3 script to relay sensor values from a SpaceAPI endpoint to an
 InfluxDB instance so it can be viewed in Grafana.
@@ -41,7 +41,7 @@ Configure it using the following env vars:
 - `SPACEAPI_ENDPOINT`
 - `RELAY_INTERVAL_SECONDS`
 
-The image is published at [docker.io/spaceapi/influxdb-sensor-logger](https://hub.docker.com/r/spaceapi/influxdb-sensor-logger).
+The image is published at [ghcr.io/spaceapi-community/spaceapi-sensor-logger](https://ghcr.io/spaceapi-community/spaceapi-sensor-logger).
 
 
 ## License
@@ -60,3 +60,6 @@ Unless you explicitly state otherwise, any contribution intentionally
 submitted for inclusion in the work by you, as defined in the Apache-2.0
 license, shall be dual licensed as above, without any additional terms or
 conditions.
+
+[docker-image]: https://ghcr.io/spaceapi-community/spaceapi-sensor-logger
+[docker-image-badge]: https://img.shields.io/badge/container%20image-ghcr.io/spaceapi-community/spaceapi-sensor-logger-blue.svg