LoopBack 4 Tutorial for beginners

This is the first Loopback 4 tutorial of a series explaining the LoopBack 4 framework components in detail for beginners. Almost 70% of the time is used to explain the concepts and 30% to start coding something. Once you watch the full video, you will understand rapidly the framework, its architecture and base components. I recommend you watch the full video if you are new or want to get more in depth information about it. If you find a typo or any error in the code or dialog, please feel free to comment so we all learn together.

Here is a short cut for the main parts of the video.
00:00 - Introduction
04:00 - Use cases
05:49 - Deployment types
08:40 - Application architecture
16:30 - Context - IoC Container
25:42 - The REST Server
31:09 - Open API specification
39:24 - Installing LoopBack 4
41:52 - Scaffolding the LB4 hello application
43:50 - Creation the helloWorldController
46:48 - Adding a customized response OAS object
49:04 - Generating .yml and .json OAS files from command line
49:44 - Testing helloWorldController in PostMan from OAS file
52:17 - VSCode and acceptance test for HelloWorld controller
55:50 - MySQL table exposed thru LB4 - In depth in next lessons
01:01:8 - CRUD Controller testing from PostMan from OAS file
01:06:09 - Until the next lesson, enjoy!

[philj.]

Great Stuff! . If you explain like that, component building and authentication, I will invite you a beer!!!

[thangtrinh]

A great tutorial for beginner.
Thanks for your sharing, Mario

[alibahrami]

lb4 needs more tutorials like this. cheers!

[jamiljawid]

Today I heard the word Loopback in my job interview. I'm not familiar with but I hope your videos help. I subscribed and liked your video to support you as you help us by creating useful contents. Thanks

[sandhyaojha-kv]

Thankyou, It's really helpfull &
Please create next Lecture

[AshokKumar-bjwl]

Hey Mario! I'm from India. It was a great learning and expecting the next session soon on this..Keep Going!!!

[Al-uici]

Thank you Mario for this excellent introduction!!! It was really useful seeing the Open Api spec put to use with Postman. I'm looking forward to the next video :)

[rohitvishwakarma]

awesome explanation please do more videos

[jakubmintal]

4:00 "o sea" ;)
TY for introduction video! :)

[NareshSingh-nyzh]

really knowledgable .... I really appreciate .. looking more from you.. or any other loopback tutorial you can suggest.

[lunteoh]

Really feel nice to know the concept of those layers, Mixin(booter -> repo, service). Then the Sequence.
Then you also tell us about the OPENAPI generator to interact with the tester.

[cintiavaleria]

Leí todo el módulo, Felicitaciones!!!, deberías de colocar en español ayudaría muchísimo tus conocimientos en la comunidad.

[namahtechgeek]

Awesome tutorial!!! Thank you, I have learned a lot from it.

[MaramKiranKumar]

Awesome.... when can we expect the next session

[marcinpilarczyk]

Great Start! You need to put more videos to cover lb4 in depth. I'm working with loopback for a while, but I'm still learning and looking for more in depth explanation. I found only one course on Udemy, but it's not good :/

[Giuseppecarusoplus]

Mario, excellent tutorial. You should really continue with your channel. Please, come back. :)

[malilovick]

Hi Mario the video was amazing!!! I`ve learned a lot of stuff from watching this video. I would like to hear from you about the integration with open API spec and create models. For example, how can I deal with oneOf, anyOf, allOf, not from OpenAPI specification.

[crowdtweet]

How can I change the automatically generated id digit which is by default single digit

[ramanverma]

why we can not use a table from a database having Underscore "_" in the name.. I have a table named my_data and I am not able to access that table as it does not allow me to use the name with underscore. Please tell me how to do this.

[facku]

​ Mario Estrada saludos crack, me suscribo a su canal en la espera de la guia en español. No ha considerado la posibilidad de hacer un curso en español en udemy o alguna otra de esas plataformas? Llevo un tiempo con express y me tenia cansado tener que hacer el mismo scaffolding en cada nuevo proyecto. Y hace unos días alguien me comento sobre LB4 y es justo lo que buscaba, incluso ahora estoy haciendo un curso de typescript para luego meterme de lleno a este framework.