renovate.json customizations.

extract-docker-images.js

@@ -0,0 +1,57 @@
+const fs = require('fs');
+const yaml = require('js-yaml');
+
+/**
+ * Recursively traverse the object and extract all image entries.
+ * @param {object} obj - The YAML object to traverse.
+ * @param {Array<string>} path - Key path for generating service names.
+ * @returns {Array} - List of {depName, currentValue, service}.
+ */
+function extractImages(obj, path = []) {
+  const result = [];
+
+  if (typeof obj !== 'object' || obj === null) return result;
+
+  // Resolve merged objects (anchors or << merges)
+  let mergedObj = {};
+  if (obj['<<']) {
+    const merge = obj['<<'];
+    if (Array.isArray(merge)) {
+      merge.forEach(m => Object.assign(mergedObj, m));
+    } else if (typeof merge === 'object') {
+      Object.assign(mergedObj, merge);
+    }
+  }
+  // Merge top-level keys last to override anchor defaults
+  Object.assign(mergedObj, obj);
+
+  // If an image key exists, capture it
+  if (mergedObj.image) {
+    const [depName, currentValue] = mergedObj.image.split(':');
+    result.push({
+      depName: depName,
+      currentValue: currentValue || 'latest',
+      service: path.join('/') || 'root'
+    });
+  }
+
+  // Recursively traverse all keys
+  for (const [key, value] of Object.entries(mergedObj)) {
+    // Skip the << key since we've already processed it
+    if (key === '<<') continue;
+    result.push(...extractImages(value, [...path, key]));
+  }
+
+  return result;
+};
+
+module.exports = function extractDockerImages(fileContent) {
+  try {
+    // Parse YAML with anchors preserved
+    const doc = yaml.load(fileContent, { schema: yaml.DEFAULT_FULL_SCHEMA });
+    return extractImages(doc);
+  } catch (err) {
+    console.error('Failed parsing docker-compose.yml:', err);
+    return [];
+  }
+};

renovate.json

@@ -1,3 +1,51 @@
 {
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:recommended"],
+  "prHourlyLimit": 2,
+  "prConcurrentLimit": 5,
+  "dependencyDashboard": true,
+  "labels": ["dependencies", "renovate"],
+  "schedule": ["before 6am on monday"],
+
+  "docker": {
+    "enabled": true
+  },
+
+  "packageRules": [
+    {
+      "matchDatasources": ["docker"],
+      "matchPackageNames": ["clickhouse/clickhouse-server"],
+      "enabled": false
+    },
+    {
+      "matchDatasources": ["docker"],
+      "matchPackagePatterns": [".*-alpine$"],
+      "allowedVersions": "/.*-alpine$/"
+    },
+    {
+      "matchDatasources": ["docker"],
+      "matchPackagePatterns": ["^.*:latest$"],
+      "enabled": false
+    }
+  ],
+
+  "regexManagers": [],
+
+  "packageFiles": [
+    {
+      "fileMatch": ["docker-compose\\.ya?ml$"],
+      "manager": "regex",
+      "extractVersion": "custom",
+      "datasourceTemplate": "docker",
+      "depNameTemplate": "{{service | split(\"/\") | last}}/{{depName}}",
+      "versioningTemplate": "docker",
+      "extractor": "file:extract-docker-images.js"
+    }
+  ],
+
+  "branchNameStrict": true,
+  "branchPrefix": "renovate/",
+  "commitMessageAction": "Update",
+  "commitMessageTopic": "{{service | split(\"/\") | last}}/{{depName}}",
+  "prTitle": "Update {{service | split(\"/\") | last}}/{{depName}}: {{currentValue}} → {{newVersion}}"
 }