diff --git a/Dockerfile b/Dockerfile
index f729759..cdd1421 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,6 @@
-ARG ARCH
-FROM alpine:3.14.2@sha256:e1c082e3d3c45cccac829840a25941e679c25d438cc8412c2fa221cf1a824e6a AS base-amd64
-FROM arm32v7/alpine:3.14.2@sha256:e12ff876f0075740ed3d7bdf788107ae84c1b3dd6dc98b3baea41088aba5236f AS base-arm
-FROM arm64v8/alpine:3.14.2@sha256:b06a5cf61b2956088722c4f1b9a6f71dfe95f0b1fe285d44195452b8a1627de7 AS base-arm64
-FROM base-${ARCH}
+FROM alpine:3.14.2@sha256:e1c082e3d3c45cccac829840a25941e679c25d438cc8412c2fa221cf1a824e6a
 
-RUN apk --no-cache add nodejs="12.22.6-r0"
+RUN apk --no-cache add nodejs="14.18.1-r0"
 
 COPY dist/universal-statuspage /universal-statuspage
 
diff --git a/package.json b/package.json
index 09dcecc..36e8b07 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "@nguniversal/express-engine": "^12.1.0",
     "@ngx-translate/core": "^13.0.0",
     "@ngx-translate/http-loader": "^6.0.0",
-    "@types/node-cron": "^2.0.4",
+    "@types/node-cron": "^2.0.5",
     "bootstrap": "^4.6.0",
     "cron": "^1.8.2",
     "dayjs": "^1.10.7",
diff --git a/src/main.status.ts b/src/main.status.ts
index a973479..64b3a98 100644
--- a/src/main.status.ts
+++ b/src/main.status.ts
@@ -79,6 +79,12 @@ api.post('/update/health', (req, res) => {
     return res.status(401).send('invalid token');
   }
   const serviceId = req.query.service as string;
+  if (!config.groups
+    .map(g => g.services).reduce((x, y) => x.concat(y), [])
+    .map(s => s.id).includes(serviceId)) {
+    // TODO remove old caches
+    return res.send('OK');
+  }
   let services: { id: string, state: string }[] = [];
   if (serviceId) {
     services = [{id: serviceId, state: JSONPath({path: serviceStatePaths[serviceId], json: req.body, wrap: false})}];