Switch to OpenJ9 for container

Dockerfile

@@ -8,8 +8,7 @@ COPY --chown=gradle:gradle . /home/gradle/src
 WORKDIR /home/gradle/src
 RUN /home/gradle/src/gradlew --console=plain --no-daemon bootJar
 
-FROM openjdk:14-jdk-slim
+FROM adoptopenjdk:openj9
 EXPOSE 8080
 COPY --from=builder /home/gradle/src/api/build/libs/api.jar twigs-api.jar
-CMD /usr/local/openjdk-14/bin/java $JVM_ARGS -jar /twigs-api.jar
-
+CMD /opt/java/openjdk/bin/java $JVM_ARGS -jar /twigs-api.jar

docker-compose.yml

@@ -8,15 +8,16 @@ services:
     depends_on:
       - db
     environment:
-            SPRING_DATASOURCE_URL: jdbc:mysql://db:3306/budget
+      SPRING_DATASOURCE_URL: "jdbc:mysql://db:3306/budget?useSSL=false"
       SPRING_JPA_HIBERNATE_DDL-AUTO: update
       SERVER_TOMCAT_MAX-THREADS: 5
       TWIGS_CORS_DOMAINS: "http://localhost:4200"
     networks:
       - twigs
+    command: sh -c "sleep 5 && /opt/java/openjdk/bin/java $JVM_ARGS -jar /twigs-api.jar"
 
   db:
-        image: mysql:5
+    image: mysql:5.7
     ports:
       - "3306:3306"
     environment:
@@ -26,6 +27,7 @@ services:
       MYSQL_PASSWORD: budget
     networks:
       - twigs
+    hostname: db
 
 networks:
   twigs: