Dominant and authentic techs in Spring and Java EE in the past before introducing Spring Boot

Spring over Tomcat:

• spring-web-mvc,
• spring-data-jpa,
• spring-jms

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Java EE over Glassfish:

• JAX-RS,
• EJB,
• JPA,
• JMS

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Beside Maven as a dependency management tool 🔧 🔨 🗜 🧰

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Software deployment mechanism:

• Cleaning phase:

  • Kill the running app
  • Remove the old app-server directory

• app-server

  • Move an archived version into target-deployment-machine
  • Unarchive it
  • Ignite it

• deployment-package

  • Move it into target-deployment-machine
  • Deploy it inside the app-server using related commands based on the app-server specs