[nutch] branch master updated: NUTCH-2864 Upgrade Dockerfile to use JDK 11 (#647)

[le...@apache.org]

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lewismc pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nutch.git


The following commit(s) were added to refs/heads/master by this push:
     new cc8d76a  NUTCH-2864 Upgrade Dockerfile to use JDK 11 (#647)
cc8d76a is described below

commit cc8d76afe4f86691008b5673b182bb0e54a59710
Author: Lewis John McGibbney <le...@gmail.com>
AuthorDate: Thu Jun 3 13:15:03 2021 -0700

    NUTCH-2864 Upgrade Dockerfile to use JDK 11 (#647)
    
    * NUTCH-2864 Upgrade Dockerfile to use JDK 11
---
 docker/Dockerfile | 16 +++++++++-------
 docker/README.md  |  9 ++++++++-
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 3077d1a..0f06894 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -13,21 +13,23 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM ubuntu:18.04
+FROM alpine:3.13
 MAINTAINER Apache Nutch Committers <de...@nutch.apache.org>
 
 WORKDIR /root/
 
-
 # Install dependencies
-RUN apt update
-RUN apt install -y ant git openjdk-8-jdk-headless
+RUN apk update
+RUN apk --no-cache add apache-ant bash git openjdk11
 
-# Set up JAVA_HOME
-RUN echo 'export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64' >> $HOME/.bashrc
+RUN echo 'export JAVA_HOME=/usr/lib/jvm/java-11-openjdk' >> $HOME/.bashrc
 
 # Checkout and build the Nutch master branch (1.x)
-RUN git clone https://github.com/apache/nutch.git nutch_source && cd nutch_source && ant runtime
+RUN git clone https://github.com/apache/nutch.git nutch_source && \
+     cd nutch_source && \
+     ant runtime && \
+     rm -rf build/ && \
+     rm -rf /root/.ivy2/
 
 # Convenience symlink to Nutch runtime local
 RUN ln -s nutch_source/runtime/local $HOME/nutch
diff --git a/docker/README.md b/docker/README.md
index 58a3b5e..2ac88cc 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -1,5 +1,12 @@
 # Nutch Dockerfile #
 
+![Docker Pulls](https://img.shields.io/docker/pulls/apache/nutch?style=for-the-badge)
+![Docker Image Size (latest by date)](https://img.shields.io/docker/image-size/apache/nutch?style=for-the-badge)
+![Docker Image Version (latest semver)](https://img.shields.io/docker/v/apache/nutch?style=for-the-badge)
+![MicroBadger Layers](https://img.shields.io/microbadger/layers/apache/nutch?style=for-the-badge)
+![Docker Stars](https://img.shields.io/docker/stars/apache/nutch?style=for-the-badge)
+![Docker Automated build](https://img.shields.io/docker/automated/apache/nutch?style=for-the-badge)
+
 Get up and running quickly with Nutch on Docker.
 
 ## What is Nutch?
@@ -18,7 +25,7 @@ Current configuration of this image consists of components:
 
 ##  Base Image
 
-* [ubuntu:18.04](https://hub.docker.com/_/ubuntu/)
+* [alpine:3.13](https://hub.docker.com/_/alpine/)
 
 ## Tips