diff --git a/Dockerfile b/Dockerfile
index 5165806..2886efb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node
+FROM node:alpine
 
 WORKDIR /app
 ADD . /app
diff --git a/readme.md b/readme.md
index 0c680f3..c627b92 100644
--- a/readme.md
+++ b/readme.md
@@ -4,7 +4,7 @@
 
 [API Documentation](docs/index.md) | [Why?](docs/why.md)
 
-![db-rest architecture diagram](https://rawgit.com/derhuerst/db-rest/hafas-rest-api/architecture.svg)
+![db-rest architecture diagram](https://rawgit.com/derhuerst/db-rest/db-rest/architecture.svg)
 
 [![dependency status](https://img.shields.io/david/derhuerst/db-rest.svg)](https://david-dm.org/derhuerst/db-rest)
 ![ISC-licensed](https://img.shields.io/github/license/derhuerst/db-rest.svg)