1 files changed, 9 insertions, 5 deletions

diff --git a/Dockerfile b/Dockerfile
index 5e32d54..88d012b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,19 @@
-FROM alpine:3.5
+FROM debian:jessie
 
 MAINTAINER Silvio Fricke <silvio.fricke@gmail.com>
 
 ENV VERSION 3.7
 ADD https://www.languagetool.org/download/LanguageTool-$VERSION.zip /LanguageTool-$VERSION.zip
 
-RUN apk update \
-    && apk add \
-	openjdk8-jre-base \
+RUN set -ex \
+    && mkdir -p /uploads /etc/apt/sources.list.d \
+    && echo "deb http://ftp.debian.org/debian jessie-backports main" > /etc/apt/sources.list.d/jessie.backports.list \
+    && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get clean \
+    && apt-get update -y \
+    && apt-get -t jessie-backports install -y \
+	openjdk-8-jre-headless \
 	unzip \
-    && rm -rf /var/cache/apk \
     && unzip LanguageTool-$VERSION.zip \
     && rm LanguageTool-$VERSION.zip