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143 lines
3.2 KiB
Markdown
143 lines
3.2 KiB
Markdown
Psych Coding 1
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--------------
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Base Setup
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----------
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1. Create free account on Heroku
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1. Install Heroku CLI https://devcenter.heroku.com/articles/getting-started-with-java#set-up
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1. Install PostgreSQL https://www.postgresql.org/download/
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```bash
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brew install postgres
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sudo chown -R `whoami` /usr/local
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```
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1. Ensure postgres is started automatically on boot
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```bash
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pg_ctl -D /usr/local/var/postgres start && brew services start postgresql
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postgres -V
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```
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3. Create new Idea Project
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1. Spring Initializer
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1.
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+ SDK 11 or 13
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+ com.psych.game
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+ Scaler Backend Project - Psych
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+ Java 11
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+ Maven
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1.
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+ Spring Boot Dev Tools
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+ Lombok
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+ Spring Web
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+ Rest Repositories
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+ Spring Web Services
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+ Spring Data JPA
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+ PostgreSQL Driver
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1. name: pragypsych
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-- --
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Hello World
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-----------
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1. Create File: devtest.HelloController
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```java
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package com.psych.game.devtest;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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@RequestMapping("/dev-test")
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public class HelloController {
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@GetMapping("/")
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public String hello() {
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return "Hello, World!";
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}
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}
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```
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1. Try Build & Run
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- Build succeeds
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- Run fails: Because No DB
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1. Run postgres
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```bash
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psql postgres
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\du # display users
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\list # list databases
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create database psych_local;
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\connect psych_local # connect to specific DB
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\dt # display tables in current DB
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# psql postgres -U pragyagarwal
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```
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1. Add psych_local DB to IntelliJ
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1. Create application.properties
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```java
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spring.datasource.url=jdbc:postgresql://localhost:5432/psych_local
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spring.jpa.hibernate.ddl-auto=update
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```
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1. Run again. Go to http://localhost:8080/dev-test/
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-- --
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Deploy on Heroku
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----------------
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1. Create new project.
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```bash
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heroku create pragy-psych
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```
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1. goto https://pragy-psych.herokuapp.com/ to find nothing
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1. add git
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```bash
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git init
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git add .
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git commit -m "Init"
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```
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1. add heroku remote
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```bash
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git remote add heroku https://git.heroku.com/pragy-psych.git
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```
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1. Deploy
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```bash
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git push heroku master
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```
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1. Error: Push Rejected - invalid target release: 11
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1. Create **system.properties**
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```java
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java.runtime.version=11
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```
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1. Add, commit & deploy
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1. Goto https://pragy-psych.herokuapp.com/dev-test/
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1. Goto https://dashboard.heroku.com/apps/pragy-psych to see your stuff
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1. Note: it auto adds postgres free account
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1. See the logs
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```bash
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heroku logs --tail
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```
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-- --
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Make the models
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---------------
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-- --
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Test
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----
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https://pragy-psych.herokuapp.com/dev-test/
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https://pragy-psych.herokuapp.com/dev-test/questions
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https://pragy-psych.herokuapp.com/dev-test/populate
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-- --
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Post Lecture
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------------
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Restore
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[Google Docs – create and edit documents online, for free.](https://docs.google.com/document/d/1J1t-TFA-aw9ZS89LI4guAJ-muJeGTQ_BQB6Fan-zrk4/edit#)
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[YouTube](https://www.youtube.com/watch?v=8cSYhtKzlhE) |