Update OpenJDK, Alpine and Nexus to 3.17.0

Dockerfile

@@ -1,8 +1,12 @@
-FROM quay.io/pires/docker-jre:8u191
+FROM alpine:3.10
 
 LABEL maintainer [email protected]
 
-ENV NEXUS_VERSION 3.15.2-01
+# java
+ENV JAVA_HOME=/usr/lib/jvm/default-jvm/jre
+
+# nexus
+ENV NEXUS_VERSION 3.17.0-01
 ENV NEXUS_DOWNLOAD_URL "https://download.sonatype.com/nexus/3"
 ENV NEXUS_TARBALL_URL "${NEXUS_DOWNLOAD_URL}/nexus-${NEXUS_VERSION}-unix.tar.gz"
 ENV NEXUS_TARBALL_ASC_URL "${NEXUS_DOWNLOAD_URL}/nexus-${NEXUS_VERSION}-unix.tar.gz.asc"
@@ -14,8 +18,10 @@ ENV NEXUS_DATA /nexus-data
 ENV NEXUS_CONTEXT ''
 ENV SONATYPE_WORK ${SONATYPE_DIR}/sonatype-work
 
+# Install prerequisites
+RUN apk add --no-cache --update bash ca-certificates runit su-exec util-linux openjdk8-jre
+
 # Install nexus
-RUN apk add --no-cache --update bash ca-certificates runit su-exec util-linux
 RUN apk add --no-cache -t .build-deps wget gnupg openssl \
   && cd /tmp \
   && echo "===> Installing Nexus ${NEXUS_VERSION}..." \
@@ -32,7 +38,7 @@ RUN apk add --no-cache -t .build-deps wget gnupg openssl \
   && ls -las \
   && adduser -h $NEXUS_DATA -DH -s /sbin/nologin nexus \
   && chown -R nexus:nexus $NEXUS_HOME \
-  && rm -rf /tmp/* \
+  && rm -rf /tmp/* /var/cache/apk/* \
   && apk del --purge .build-deps
 
 # Configure nexus

README.md

@@ -5,7 +5,7 @@ A container image for Sonatype Nexus Repository Manager OSS, based on Alpine Lin
 
 ## Current software
 
-* Alpine Linux 3.9
-* OpenJDK JRE 8u191
-* Nexus Repository Manager OSS 3.15.2 ([release notes](https://help.sonatype.com/repomanager3/release-notes/2019-release-notes#id-2019ReleaseNotes-RepositoryManager3.15.2))
+* Alpine Linux 3.10
+* OpenJDK JRE 8u212
+* Nexus Repository Manager OSS 3.17.0 ([release notes](https://help.sonatype.com/repomanager3/release-notes/2019-release-notes#id-2019ReleaseNotes-RepositoryManager3.17.0))