ci: added CI/CD workflow

.gitea/workflows/deploy.yml

@@ -0,0 +1,58 @@
+name: Build and Deploy
+on:
+  push:
+    branches:
+      - "master"
+    paths-ignore:
+      - "docs"
+      - ".sqlx"
+      - "**.md"
+
+jobs:
+  build-docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Cache Docker layers
+        uses: https://github.com/actions/cache@v3
+        with:
+          path: |
+            /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-api-${{ gitea.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-api-
+
+      - name: Login to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.nerdcult.net/nerdcult
+          username: nerdcultbot
+          password: ${{ secrets.NerdcultBotToken }}
+
+      - name: Build and Push
+        uses: docker/build-push-action@v5
+        env:
+          ACTIONS_RUNTIME_TOKEN: ''
+        with:
+          context: .
+          push: true
+          tags: git.nerdcult.net/nerdcult/nerdcult_api:latest
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new
+
+      - name: Rotate the cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+
+      - name: Deploy
+        env:
+          TOWER_TOKEN: ${{ secrets.WatchtowerToken}}
+          TOWER_URI: ${{ secrets.WatchtowerURI}}
+        run: |
+          curl -H "Authorization: Bearer $TOWER_TOKEN" $TOWER_URI