infra: create Forgejo deployment action using Docker

.forgejo/workflows/deploy.yaml

@@ -0,0 +1,17 @@
+name: Deploy site
+on:
+  push:
+    branches: [main]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    container: node:18
+    steps:
+      - uses: actions/checkout@v3
+      - run: npm install
+      - run: npm run build:posts
+      - run: npm run build
+      - run: |
+          cp -r dist/* /var/www/systemsobscure.blog/
+          chown -R www-data:www-data /var/www/systemsobscure.blog/

.forgejo/workflows/publish_site.yaml

@@ -1,45 +0,0 @@
-name: Deploy Site
-on:
-  push:
-    branches: [main]
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: "18"
-          cache: "npm"
-
-      - name: Install dependencies
-        run: npm install
-
-      - name: Build posts
-        run: npm run build:posts
-
-      - name: Build project
-        run: npm run build
-
-      - name: Deploy to VPS
-        uses: appleboy/ssh-action@v0.1.5
-        with:
-          host: localhost # or localhost if connecting from the same VPS
-          username: ${{ secrets.VPS_USERNAME }}
-          key: ${{ secrets.VPS_SSH_KEY }}
-          script: |
-            rm -rf /var/www/systemsobscure.blog/*
-
-      - name: Copy files to VPS
-        uses: appleboy/scp-action@v0.1.4
-        with:
-          host: localhost # or localhost
-          username: ${{ secrets.VPS_USERNAME }}
-          key: ${{ secrets.VPS_SSH_KEY }}
-          source: "dist/*"
-          target: "/var/www/systemsobscure.blog/"
-          strip_components: 1