Auto deploy Maven project through GitHub action

mokeyWie 2020-11-09 12:10:09
auto deploy maven project github


Put your own JAVA Project publishing to Maven On the central warehouse , This process is very troublesome , And because of Maven The rigor of the central warehouse , You need to log in to Nexus Website manual process validation , Command line deployment is not supported , It's impossible to really CI/CD, To make up for that , I grabbed my bag and analyzed Nexus API And developed a Github Action(maven-nexus-release) For automatic Close and Release, In order to achieve real automatic deployment .

  • design sketch
There has been a release jar The old drivers who pack to the central warehouse should understand the release jar How troublesome the bag is , I haven't published it, but I want to publish my open source project to Maven For the central warehouse, please refer to my previous article : Release jar Package to maven The central warehouse


First of all, it's better to be right about Github Action Have some understanding , It doesn't matter if you don't understand , You can go through it quickly through my previous article :Github Actions Taste fresh

Get ready

Hosted in Github Upper Maven project

Need to adjust pom.xml in maven-gpg-plugin Plug-in configuration , Example :

<!-- This configuration You have to configure , be used for gpg Non interactive password input -->

Nexus User name and password

Log in to Account and password of .

gpg private key

Base64 Coded gpg Private key , Export from the command line :

  • List the secret keys
gpg --list-secret-keys --keyid-format LONG
sec rsa4096/2A6B618785DD7899 2020-11-05 [SC]
uid [ultimate] monkeyWie <[email protected]>
ssb rsa4096/F8E9F8CBD90028C5 2020-11-05 [E]

Find for publishing jar Bag key, The example here is 2A6B618785DD7899.

  • Export the private key
gpg --armo --export-secret-keys 2A6B618785DD7899

Note that the private key is from -----BEGIN PGP PRIVATE KEY BLOCK----- Until -----END PGP PRIVATE KEY BLOCK-----, Not just the middle text .

gpg passphrase

It's generating gpg The secret key will need to enter a short password , I should remember .

Configure the secret key to Github Secrets in

  1. Get into Github Project home page , And then find Settings Options .
  2. Get into Secrets menu
  3. Create the secret keys you have just prepared
    On the right New secret Button is used to create the secret key , Create the secret key content and give it the corresponding name , Example :

Final Secrets as follows :

To write Github Action The configuration file

Create in the project root directory .github/workflows/deploy.yml file , The contents are as follows :

name: deploy
# Support manual trigger build
# establish release Is triggered when
types: [published]
runs-on: ubuntu-latest
# Pull source code
- uses: actions/[email protected]
# install JDK Environmental Science
- name: Set up JDK 1.8
uses: actions/[email protected]
java-version: 1.8
# Set up Maven Central warehouse configuration
- name: Set up Apache Maven Central
uses: actions/[email protected]
java-version: 1.8
server-id: releases
# Nexus User name environment variable
server-username: MAVEN_USERNAME
# Nexus Password environment variable
server-password: MAVEN_CENTRAL_TOKEN
# gpg Short password environment variable
gpg-passphrase: MAVEN_GPG_PASSPHRASE
# gpg Private key
gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
# push jar Package to maven The central warehouse
- name: Publish to Apache Maven Central
# perform maven deploy command
run: mvn clean deploy
# Environment variable Settings
# Nexus user name , If you don't want to expose it, you can configure it to secrets in
# Nexus password
# gpg Short password
# Nexus Automatic deployment
- name: Release on nexus
uses: monkeyWie/[email protected]
# Nexus user name
maven-repo-server-username: xxx
# Nexus password
maven-repo-server-password: ${{ secrets.MAVEN_CENTRAL_TOKEN }}

Push the code to Github On , You can see the corresponding Action 了 , In the example above, there are two ways to trigger a build :

  • Manual trigger
    adopt Github You can trigger the build manually , Convenient test , Operation as shown below :
  • Release release It will automatically trigger
    stay Github Create... In the project release, Will automatically trigger the build , It is applicable after the project is stable .


All of the above steps are in my project proxyee Through verification , in addition maven-nexus-release The project is still in its infancy , The function may not be perfect , If you have any good ideas and suggestions, please put forward issue and pr.

By the way, little Amway proxyee, It is based on netty Compiling HTTP proxy server , Support agent HTTP+HTTPS+WebSocket, And support HTTP and HTTPS Grab the bag , Interested can Star once .

I am a MonkeyWie, Welcome to scan ! To share in public official account JAVAGolang front end dockerk8s Knowledge of dry goods .



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