Build container automatically (#18)

Signed-off-by: Ryan McCue <me@ryanmccue.info>

.github/workflows/build.yml

@@ -0,0 +1,30 @@
+name: Build and push container
+
+on:
+  push:
+    branches: [ main ]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04-arm
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Log in to Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and push
+      run: bin/build.sh

.github/workflows/deploy.yml

@@ -1,25 +0,0 @@
-name: Deploy
-
-on:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Install Composer dependencies
-        uses: php-actions/composer@v6
-
-      - name: Run deploy script
-        run: bin/deploy.sh --apply
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          DEPLOY_HOST: ${{ secrets.PRODUCTION_DEPLOY_HOST }}
-          DEPLOY_USER: ${{ secrets.PRODUCTION_DEPLOY_USER }}
-          DEPLOY_PASS: ${{ secrets.PRODUCTION_DEPLOY_PASS }}