Bump node version

madnificent · madnificent · commit 8f31c93bd25a · 2018-08-27T15:45:41.000+02:00
The new node has no known issues and uses a more recent npm
version (6.2.0).  In contrast to the previous npm version, this new
npm version does not have issues with using npm packages from git
repositories.
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:9.5.0-alpine
+FROM node:10.9.0-alpine
 
 LABEL maintainer="madnificent@gmail.com"
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM node:9.5.0-alpine`
	`1`	`+FROM node:10.9.0-alpine`
`2`	`2`
`3`	`3`	`LABEL maintainer="[email protected]"`
`4`	`4`