The official Docker mariadb image will run all *.sh and *.sql scripts in its /docker-entrypoint-initdb.d directory automatically when it starts. Table of contents: 1. Create an init.sql 2. Run an init script for Docker MariaDB 3. Access the MariaDB running container 4. References Technologies used: Docker 24.0.5 Official Docker mariadb image (latest tag) 1. Create […]
This article shows how to use Docker to run MariaDB as a container. Tables of contents: 1. Run MariaDB as a container 2. Specify the MariaDB version 3. Access the running MariaDB container 4. MariaDB Persistent Storage with Volume 5. Access the MariaDB container log 6. Stop the MariaDB Container 7. Start the MariaDB Container […]
The official Docker postgres image will run all *.sh and *.sql scripts in its /docker-entrypoint-initdb.d directory automatically when it starts. Table of contents: 1. Create an init.sql 2. Copy init.sql to container 3. Start the Postgres container 4. Access the Postgres container 5. References Technologies used: Docker 24.0.5 Official Docker postgres image (latest) 1. Create […]
Learn how to run PostgreSQL as a Docker container using Docker Compose. This guide is perfect for developers who want a clean, isolated database environment for local development and testing.
On Docker, –rm option means automatically remove the container when it exits. $ docker run –rm <container_id> Done 🙂 Please read on to understand more about –rm. 1. Remove a container On Docker, the container is an instance of an image, and we can create multiple containers from an image. If the container is exited […]
In Docker, we can use docker ps to show all running containers, docker ps -a to show all running and stopped containers. Here are some of the commonly used examples: Terminal # common $ docker ps // show only running containers $ docker ps -a // show all containers (running and stopped or exited) # […]
docker run a container, but it displayed nothing, no output, no error? docker ps shows no running container? Terminal $ docker run -d -p 80:8080 -p 443:8443 -t markdownhtml:1.1 8eba06d44bf236109cf65b7b93842e9c898370cac1740aa2bab557a0fc8e52b9 $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES Solution Most of the time, the container hit an error and exited automatically. We […]
In this article, we will show you how to use docker cp to copy files or folders from a docker container to the host (local file system) or the reversed. For example, here is a running container, id is d362659da5fc, later we will copy files from and to this container. Terminal $ docker ps CONTAINER […]
If bash shell is not working, try sh. Terminal $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3d1588519433 markdownhtml:0.1 "java -jar app.jar" About an hour ago Up About an hour 0.0.0.0:80->8080/tcp gracious_haibt $ docker exec -it 3d1588519433 bash OCI runtime exec failed: exec failed: container_linux.go:349: starting container process caused "exec: \"bash\": executable […]
This article shows you how to use docker exec -it <container ID or Name> <sh or bash> to access or get into the container’s shell. Terminal # docker exec -it <contaier ID or name> <command> $ docker exec -it a5df11a07a0e bash /opt/app # $ docker exec -it stoic_bhaskara sh /opt/app # The docker exec -it […]
In Docker, we cannot remove a running container, stop it first. Stop all running containers. Terminal $ sudo docker stop $(sudo docker ps -aq) Remove all stopped containers. Terminal $ sudo docker rm $(sudo docker ps -aq) 1. Stop Container 1.1 List all containers sudo docker ps Terminal $ sudo docker ps CONTAINER ID IMAGE […]
In this tutorial, we will show you how to Dockerize a Spring Boot web application (mvc + thymeleaf). Tested with Docker 19.03 Ubuntu 19 Java 8 or Java 11 Spring Boot 2.2.4.RELEASE Maven At the end of the article, we will create a Spring Boot MVC web application and run inside a docker container. P.S […]
In this tutorial, we will show you how to Dockerize a Java Application (an executable Jar file). Tested with Docker 19.03 Ubuntu 19 Java 8 Maven At the end of the article, we will create an executable Jar file and run inside a docker container. 1. Project Directory 1.1 A standard Maven project structure. See […]
