java

crear contenedor de docker a una api springboot (todo el proceso)

June 16, 2026

| command, configuration, console, docker, gradle, gradlew, information, java, linux, Linux Ubuntu Server, macos, port

jar crear el .jar (en la raíz, donde está gradlew tirar el comando): eso crea un .jar en /build/libs/ dockerfile crear un archivo Dockerfile (ubicado […]

Show which port your Java Spring Boot Gradle app is listening on

June 5, 2026

| No Comments

| code, configuration, information, java

Note that I commented out one line; that’s because otherwise there would be two instances of the app running, and then there would be a […]

Create an image of a Java app’s .jar file and then use that image to launch a Docker container.

May 9, 2026

| No Comments

| docker, information, linux, Linux Ubuntu Server, spring-boot

First you need to have a .jar file in a directory In the same directory, you create a file: with content: 8080 is the port […]

micrometer + prometheus + grafana, metrics with frontend in java springboot gradle

May 5, 2026

| No Comments

| configuration, console, dashboard, docker, grafana, information, linux, metric, micrometer, prometheus, remote-access, server, ssh tunnel

In short, Micrometer lives within your Java Spring Boot application; the metrics are real-time, and if the application restarts, everything is erased. Prometheus is a […]

command to publish in nexus

April 21, 2026

| No Comments

| command, configuration, information, java, repository

set java 21 environment variable: located in the same place as “gradle” You execute publish in Gradle and also force Java version 21 via command […]