Get database connection info from envir, rename artifact, make fake 2 vs 2 calculation a little less fake

pom.xml

@@ -76,6 +76,7 @@
     </dependencyManagement>
 
     <build>
+        <finalName>kickerelo</finalName>
         <plugins>
             <plugin>
                 <groupId>org.springframework.boot</groupId>

src/main/java/org/kickerelo/kickerelo/service/EloCalculationService.java

@@ -19,7 +19,6 @@ public class EloCalculationService {
      * @param toreVerlierer The number of goals of the losing player
      */
     public void updateElo1vs1(Spieler gewinner, Spieler verlierer, short toreVerlierer) {
-        final float initialElo = 1500;
         final float baseK = 50;
         final float reductionPerGoal = 0.1f * baseK;
 
@@ -43,7 +42,7 @@ public class EloCalculationService {
         gewinnerVorn.setElo2vs2(gewinnerVorn.getElo2vs2() + 10 - toreVerlierer);
         gewinnerHinten.setElo2vs2(gewinnerHinten.getElo2vs2() + 10 - toreVerlierer);
         verliererVorn.setElo2vs2(verliererVorn.getElo2vs2() - 10 + toreVerlierer);
-        verliererHinten.setElo2vs2(verliererHinten.getElo2vs2());
+        verliererHinten.setElo2vs2(verliererHinten.getElo2vs2() - 10 + toreVerlierer);
     }
 
     public float getInitialElo1vs1() {

src/main/java/org/kickerelo/kickerelo/views/PlayerListView.java

@@ -28,6 +28,7 @@ public class PlayerListView extends VerticalLayout {
         Grid.Column<Spieler> elo2vs2Column = playerGrid.getColumnByKey("elo2vs2");
         nameColumn.setHeader("Name");
         elo1vs1Column.setHeader("Elo 1 vs 1");
+        elo2vs2Column.setHeader("Elo 2 vs 2");
 
         playerGrid.setColumnOrder(nameColumn, elo1vs1Column, elo2vs2Column);
 

src/main/resources/application.properties

@@ -2,12 +2,9 @@ server.port=${PORT:8080}
 logging.level.org.atmosphere = warn
 spring.mustache.check-template-location = false
 
-# Launch the default browser when starting the application in development mode
-vaadin.launch-browser=true
-
-spring.datasource.url=jdbc:mariadb://localhost:3306/kickerelo
-spring.datasource.username=root
-spring.datasource.password=root
+spring.datasource.url=${DATABASE_URI}
+spring.datasource.username=${DATABASE_USER}
+spring.datasource.password=${DATABASE_PASSWORD}
 spring.datasource.driver-class-name=org.mariadb.jdbc.Driver
 spring.jpa.hibernate.ddl-auto=validate
 spring.jpa.show-sql=false