From 0627afe02521f1f5d1f9d20b35ad61a03446e547 Mon Sep 17 00:00:00 2001
From: Jason Ansel
Date: Tue, 5 May 2020 20:03:13 -0700
Subject: Fix warnings and upgrade to openjdk-14

---
 .dockerignore |  9 +++++++++
 .gitignore    |  1 +
 Dockerfile    | 25 +++++++------------------
 readme.md     | 13 +++++++++++++
 4 files changed, 30 insertions(+), 18 deletions(-)
 create mode 100644 .dockerignore
 create mode 100644 .gitignore

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..40a87fe
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,9 @@
+*.swp
+*.zip
+.dockerignore
+.git
+.gitignore
+.travis.yml
+Makefile
+ngrams
+readme.md
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..32b1038
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+ngrams
diff --git a/Dockerfile b/Dockerfile
index 41c7e41..7fa7691 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,28 +1,17 @@
-FROM debian:stretch
+FROM openjdk:14-alpine
 
 MAINTAINER Silvio Fricke <silvio.fricke@gmail.com>
 
-RUN set -ex \
-    && mkdir -p /uploads /etc/apt/sources.list.d /var/cache/apt/archives/ \
-    && export DEBIAN_FRONTEND=noninteractive \
-    && apt-get clean \
-    && apt-get update -y \
-    && apt-get install -y \
-        bash \
-        openjdk-8-jre-headless \
-        unzip
+RUN apk add --no-cache libgomp gcompat libstdc++
 
 ENV VERSION 4.9.1
-ADD https://www.languagetool.org/download/LanguageTool-$VERSION.zip /LanguageTool-$VERSION.zip
-
-RUN unzip LanguageTool-$VERSION.zip \
-    && rm LanguageTool-$VERSION.zip
+RUN wget https://www.languagetool.org/download/LanguageTool-$VERSION.zip && \
+    unzip LanguageTool-$VERSION.zip && \
+    rm LanguageTool-$VERSION.zip
 
 WORKDIR /LanguageTool-$VERSION
 
 ADD misc/start.sh /start.sh
-RUN chmod a+x /start.sh
-RUN mkdir /nonexistent && touch /nonexistent/.languagetool.cfg
-
-CMD [ "/start.sh" ]
+CMD [ "sh", "/start.sh" ]
+USER nobody
 EXPOSE 8010
diff --git a/readme.md b/readme.md
index b276057..3d5aa05 100644
--- a/readme.md
+++ b/readme.md
@@ -30,3 +30,16 @@ To support [ngrams] you need an additional volume or directory mounted to the
     docker run ... -v /path/to/ngrams:/ngrams ...
 
 [ngrams]: http://wiki.languagetool.org/finding-errors-using-n-gram-data
+
+
+Download English ngrams with the commands:
+
+    mkdir ngrams
+    wget https://languagetool.org/download/ngram-data/ngrams-en-20150817.zip
+    (cd ngrams && unzip ../ngrams-en-20150817.zip)
+    rm -f ngrams-en-20150817.zip
+
+
+One can use them using web browser plugin "Local server (localhost)" setting by running:
+
+    docker run -d --name languagetool -p 127.0.0.1:8081:8010 -v `pwd`/ngrams:/ngrams:ro --restart=unless-stopped silviof/docker-languagetool
-- 
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