chore: Configure Renovate (#15468)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: おさむのひと <46447427+samunohito@users.noreply.github.com>

2 files changed, 81 insertions, 2 deletions

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index d4678ec5e0..b1c256225d 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -9,7 +9,7 @@ updates:
   directory: "/"
   schedule:
     interval: daily
-  open-pull-requests-limit: 100
+  open-pull-requests-limit: 0
 
 # Add only the root, not each workspace item
 # https://github.com/dependabot/dependabot-core/issues/4993#issuecomment-1289133027
@@ -17,7 +17,7 @@ updates:
   directory: "/"
   schedule:
     interval: daily
-  open-pull-requests-limit: 10
+  open-pull-requests-limit: 0
   # List dependencies required to be updated together, sharing the same version numbers.
   # Those who simply have the common owner (e.g. @fastify) don't need to be listed.
   groups:
diff --git a/renovate.json5 b/renovate.json5
new file mode 100644
index 0000000000..a2fa8e065c
--- /dev/null
+++ b/renovate.json5
@@ -0,0 +1,79 @@
+{
+	"$schema": "https://docs.renovatebot.com/renovate-schema.json",
+	"extends": [
+		"config:recommended"
+	],
+	"timezone": "Asia/Tokyo",
+	"schedule": [
+		"* 0 * * *"
+	],
+	"prHourlyLimit": 5,
+	"dependencyDashboardApproval": true,
+	"dependencyDashboardAutoclose": true,
+	"osvVulnerabilityAlerts": true,
+	"dependencyDashboardOSVVulnerabilitySummary": "unresolved",
+	"packageRules": [
+		{
+			"groupName": "[Backend] Update dependencies",
+			"matchPaths": [
+				"packages/backend/**/package.json"
+			]
+		},
+		{
+			"groupName": "[Frontend] Update dependencies",
+			"matchPaths": [
+				"packages/frontend/**/package.json",
+				"packages/frontend-embed/**/package.json",
+				"packages/frontend-shared/**/package.json",
+				"packages/misskey-bubble-game/**/package.json",
+				"packages/misskey-reversi/**/package.json",
+				"packages/sw/**/package.json"
+			]
+		},
+		{
+			"groupName": "[misskey-js] Update dependencies",
+			"matchPaths": [
+				"packages/misskey-js/**/package.json"
+			]
+		},
+		{
+			"groupName": "[Root] Update dependencies",
+			"matchPaths": [
+				"package.json"
+			]
+		},
+		{
+			"groupName": "[Tools] Update dependencies",
+			"matchPaths": [
+				"scripts/**/package.json"
+			]
+		},
+		{
+			"groupName": "[GitHub Actions] Update dependencies",
+			"matchPaths": [
+				".github/workflows/**/*.yml"
+			]
+		},
+		{
+			"groupName": "[Node.js] Update dependencies",
+			"matchPaths": [
+				".node-version"
+			]
+		},
+		{
+			"groupName": "[Docker] Update dependencies",
+			"matchPaths": [
+				"compose.local-db.yml",
+				"compose_example.yml",
+				"packages/backend/test-federation/*.yml",
+				"Dockerfile"
+			]
+		},
+		{
+			"groupName": "[devcontainer] Update dependencies",
+			"matchPaths": [
+				".devcontainer/**"
+			]
+		}
+	]
+}