First try

entrypoint.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Environment variables (can be passed via docker-compose)
+: "${GIT_REPO:?You must set GIT_REPO environment variable}"
+GIT_BRANCH="${GIT_BRANCH:-main}"
+WEBHOOK_SECRET="${WEBHOOK_SECRET:-}"
+WEBHOOK_PORT="${WEBHOOK_PORT:-9000}"
+HUGO_FLAGS="${HUGO_FLAGS:-}"
+HUGO_BASEURL="${HUGO_BASEURL:-http://localhost:1313}"
+REPO_DIR="/app/site"
+HOOKS_FILE="/app/hooks.json"
+WEBHOOK_BIN="/usr/local/bin/webhook"
+
+# Clone repo into volume if missing
+if [ ! -d "$REPO_DIR/.git" ]; then
+  echo "Cloning $GIT_REPO (branch $GIT_BRANCH) into $REPO_DIR"
+  git clone --branch "$GIT_BRANCH" --single-branch "$GIT_REPO" "$REPO_DIR"
+else
+  echo "Repository already exists at $REPO_DIR"
+fi
+
+# Ensure working tree matches origin branch
+git -C "$REPO_DIR" fetch origin "$GIT_BRANCH" || true
+git -C "$REPO_DIR" reset --hard "origin/$GIT_BRANCH" || true
+
+# Generate hooks.json for adnanh/webhook with secret and trigger rule for branch
+cat > "$HOOKS_FILE" <<EOF
+[
+  {
+    "id": "update-site",
+    "execute-command": "/app/hooks/update_site.sh",
+    "command-working-directory": "/app",
+    "response-message": "Update started",
+    "trigger-rule": {
+      "and": [
+        {
+          "match": {
+            "type": "value",
+            "value": "refs/heads/${GIT_BRANCH}",
+            "parameter": {
+              "source": "payload",
+              "name": "ref"
+            }
+          }
+        }
+      ]
+    },
+    "pass-arguments-to-command": [
+      {
+        "source": "payload",
+        "name": "ref"
+      }
+    ]
+    $( [ -n "$WEBHOOK_SECRET" ] && echo ",\"secret\": \"$WEBHOOK_SECRET\"" || echo "" )
+  }
+]
+EOF
+
+echo "Created webhook hooks file at $HOOKS_FILE (branch filter: $GIT_BRANCH)"
+
+# Start webhook in background
+echo "Starting adnanh/webhook on port $WEBHOOK_PORT"
+# run webhook with hooks file and allow hotreload (good for changing hooks.json via entrypoint)
+$WEBHOOK_BIN -hooks "$HOOKS_FILE" -port "$WEBHOOK_PORT" -hotreload &
+WEBHOOK_PID=$!
+
+# Start hugo server in foreground (PID 1 for container)
+echo "Starting Hugo server, baseURL=$HUGO_BASEURL"
+# bind to 0.0.0.0 so it is reachable outside container
+hugo server --bind 0.0.0.0 --baseURL "${HUGO_BASEURL}" ${HUGO_FLAGS}
+
+# If hugo exits, shut down webhook as well
+kill "$WEBHOOK_PID" 2>/dev/null || true
+wait "$WEBHOOK_PID" 2>/dev/null || true