added support for postgres

.gitignore

@@ -96,3 +96,5 @@ frontend/src/index.js
 .env
 
 .DS_Store
+
+backend/src/resources/application.yml

backend/src/resources/application.yml.example

@@ -3,10 +3,10 @@ server:
 
 spring:
   datasource:
-    url: jdbc:h2:mem:whattocook
-    username: sa
+    url:
+    username:
     password:
-    driverClassName: org.h2.Driver
+    driver-class-name:
   data:
     rest:
       base-path: /api/v1

build.gradle

@@ -29,6 +29,9 @@ dependencies {
     // https://mvnrepository.com/artifact/com.h2database/h2
     implementation group: 'com.h2database', name: 'h2', version: '1.3.148'
 
+    // https://mvnrepository.com/artifact/org.postgresql/postgresql
+    implementation group: 'org.postgresql', name: 'postgresql', version: '42.4.0'
+
     // okhttp
     implementation("com.squareup.okhttp3:okhttp:4.10.0")