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docker-sonatype-nexus-repository-oss

Dockerized Sonatype Nexus Repository Manager OSS ready to use as Proxy for most common Repositories.

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Prerequisites

• Runs as non-root with fixed UID 10777 and GID 10777. See howto prepare volume permissions.
• See howto use SystemD for named Docker-Containers and system startup.
• You need Linux at best.
• Latest Docker version must be installed.

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Initial Configuration

(1) Add hostname alias

Add the alias on your Docker-Host machine. Or configure a valid hostname in your DNS.

sudo su
echo "127.0.0.1  nexus.home.codeclou.io" >> /etc/hosts

(2) Prepare the shared volume directory

sudo su
mkdir /opt/nexus-oss-home
chown 10777:10777 /opt/nexus-oss-home

(3) Generate a self signed SSL Certificate for Nexus

NEXUS_DOMAIN="nexus.home.codeclou.io"
NEXUS_IP_ADDRESS="192.168.178.66"

keytool -genkeypair -keystore keystore.jks \
        -storepass password \
        -keypass password \
        -alias jetty \
        -keyalg RSA \
        -keysize 2048 \
        -validity 5000 \
        -dname "CN=${NEXUS_DOMAIN}, OU=Example, O=Sonatype, L=Unspecified, ST=Unspecified, C=US" \
        -ext "SAN=DNS:${NEXUS_DOMAIN},IP:${NEXUS_IP_ADDRESS}" \
        -ext "BC=ca:true"

Now you should have a file called keystore.jks We need to convert it to BASE64 encoding so that we can inject it as ENV var into the docker container

openssl base64 -in keystore.jks -out keystore.jks.base64 -A

(4) Trust the certificate on all clients

keytool -list -rfc -keystore keystore.jks  -storepass password

Displays the certificate. Copy paste it to your clients and trust the certs. See Docker Docs on SSL Trusting

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Usage

(1) Create Nexus OSS Instance

NEXUS_DOMAIN="nexus.home.codeclou.io"
NEXUS_IP_ADDRESS="192.168.178.66"
NEXUS_KEYSTORE_JKS_BASE64=$(cat keystore.jks.base64)

docker create \
    --name nexus \
    -p 8443:8443 \
    -p 8444:8444 \
    -p 8445:8445 \
    -v /opt/nexus-oss-home:/nexus-home \
    -e NEXUS_DOMAIN="nexus.home.codeclou.io" \
    -e NEXUS_IP_ADDRESS="192.168.178.66" \
    -e NEXUS_KEYSTORE_JKS_BASE64=""$NEXUS_KEYSTORE_JKS_BASE64" \
    codeclou/docker-sonatype-nexus-repository-oss:3.5.0-02

docker start nexus

 

(2) Start Post Configuration

Now go to https://nexus.home.codeclou.io:8443/ and log in as admin with password admin123.

Configure the Instance to your liking.

 

(3) Docker Registry

The ports 8444 and 8445 can be used for docker registry Endpoints.

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Trademarks and Third Party Licenses

• Sonatype Nexus OSS
  • Sonatype and Sonatype Nexus are trademarks of Sonatype, Inc.
  • Sonatype Nexus OSS is licensed under the Eclipse Public License 1.0.
• Apache Maven
  • Apache Maven and Maven are trademarks of the Apache Software Foundation.
• Oracle Java JDK 8
  • Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners.
  • Please check yourself for corresponding Licenses and Terms of Use at www.oracle.com.
• Docker
  • Docker and the Docker logo are trademarks or registered trademarks of Docker, Inc. in the United States and/or other countries. Docker, Inc. and other parties may also have trademark rights in other terms used herein.
  • Please check yourself for corresponding Licenses and Terms of Use at www.docker.com.
• Ubuntu
  • Ubuntu and Canonical are registered trademarks of Canonical Ltd.
• Apple
  • macOS®, Mac and OS X are trademarks of Apple Inc., registered in the U.S. and other countries.

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License

MIT © Bernhard Grünewaldt