3 Amazing New Docker Features Explained | Build Cloud, Scout, Init

[@AqibMughal-xg4jx]

Hats off to your Work Sir. You're doing such a great job

[@DBX79]

Really cool stuff!

[@zxyi9090]

Yes, very useful and thanks for highlighting

[@andr101]

Thanks for the clear information

[@shaunrosario112]

Hey Travis,sorry I know this might not be video topic related but if I am planning to start of with Kubernetes after having watched your videos for the prerequisites// Can I start with the Certified Kubernetes Administrator (CKA) with Practice Tests in Udemy or do I HAVE to start with the beginners course before that?
Great video btw!!

[@abdirahmanabdullahi5471]

Is there a way to create docker image for existing postgres database with its data? I have spring boot application that works with postgres. I want to create an image using with using docker compose file.

[@FranckJacottin]

1 - SQL Dump
pg_dump -U your_username -h localhost -p 5432 your_database_name > your_database_dump_file
2 - Create a Dockerfile from your DB
FROM postgres:latest
ENV POSTGRES_USER your_username
ENV POSTGRES_PASSWORD your_password
ENV POSTGRES_DB your_database_name
COPY ./your_database_dump_file /docker-entrypoint-initdb.d/
3 - create a compose file
version: '3'
services:
postgres:
build:
context: .
dockerfile: Dockerfile
ports:
- "5432:5432"
environment:
POSTGRES_USER: your_username
POSTGRES_PASSWORD: your_password
POSTGRES_DB: your_database_name
spring-boot-app:
image: your_spring_boot_app_image
ports:
- "8080:8080"
depends_on:
- postgres
4 - run
docker-compose up --build

[@abdirahmanabdullahi5471]

@@FranckJacottin Thanks. It finally worked after struggle.