docs: network and cache to setup gitea runner

Dockerfile

@@ -8,8 +8,8 @@ RUN apt-get update -qq && \
       git \
       ca-certificates \
       golang \
-      lftp \
       openssh-client \
+      rclone \
       wget \
       && \
     rm -rf /var/lib/apt/lists/*

README.md

@@ -0,0 +1,65 @@
+# Hugo runner
+
+## Update image
+
+```bash
+docker build -t git.nortelli.fr/erwan/hugo:latest .
+docker login git.nortelli.fr
+docker push git.nortelli.fr/erwan/hugo:latest
+```
+
+## Setup Gitea runner
+
+Update `act_runner/config.yaml`:
+
+```yaml
+runner:
+  labels:
+    - "hugo:docker://git.nortelli.fr/erwan/hugo:latest"
+
+container:
+  network: "<runner-network>"
+
+cache:
+  enabled: true
+  host: "<runner-container-name>"
+```
+
+## Use image
+
+Add registry secrets in https://git.nortelli.fr/user/settings/actions/secrets:
+
+- `REGISTRY_USER`: your username
+- `REGISTRY_TOKEN`: a [token](https://git.nortelli.fr/user/settings/applications) with `package: read`
+
+Setup a Gitea workflow:
+
+```yaml
+jobs:
+  build-deploy:
+    runs-on: hugo
+  env:
+    HUGO_CACHEDIR: /tmp/hugo_cache
+    HUGO_ENVIRONMENT: production
+
+  steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - uses: actions/cache@v4
+      with:
+        path: ~/.cache/yarn
+        key: yarn-${{ hashFiles('yarn.lock') }}
+        restore-keys: yarn-
+
+    - run: yarn install --frozen-lockfile
+
+    - uses: actions/cache@v4
+      with:
+        path: ${{ env.HUGO_CACHEDIR }}
+        key: hugo-${{ hashFiles('go.sum') }}
+        restore-keys: hugo-
+
+    - run: hugo --noChmod --gc --minify
+```