From 1bab7a0258971e3de8021c294f80021cfcc9ad44 Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <wolfgang.hottgenroth@icloud.com>
Date: Fri, 25 Sep 2020 11:12:01 +0200
Subject: [PATCH] use adoptopenjdk directly

---
 Dockerfile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 3b816bb..b2d9491 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,8 +7,11 @@ LABEL AlternativeImageName="wollud1969/build-env-java"
 
 
 RUN \
+  wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add -
+  add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/
+
   apt update && \
-  apt install -y openjdk-8-jdk-headless && \
+  apt install adoptopenjdk-8-hotspot
   apt install -y maven && \
   rm -rf /var/lib/apt/lists/*