add Dockerfile and docker-compose file

Author: rajneeshmehta

Dockerfile

@@ -0,0 +1,10 @@
+FROM maven:3.8.3-jdk-11 AS maven_build
+WORKDIR /tmp
+COPY pom.xml .
+COPY src/ ./src/
+RUN mvn package -Dmaven.test.skip=true
+
+FROM  openjdk:11
+COPY --from=maven_build /tmp/target/easy-notes-1.0.0.jar /data/easy-notes-1.0.0.jar
+EXPOSE 8080
+CMD java -jar /data/easy-notes-1.0.0.jar

docker-compose.yml

@@ -0,0 +1,19 @@
+version: "3"
+services: 
+  app:
+    image: spring-boot:latest
+    restart: always
+    ports:
+      - 8080:8080
+    depends_on: 
+      - db
+  db:
+    image: mysql
+    restart: always
+    expose:
+      - 3306
+    environment:
+      - MYSQL_ROOT_PASSWORD=supersecretpassword
+      - MYSQL_DATABASE=notes_app
+      - MYSQL_USER=app
+      - MYSQL_PASSWORD=secretpassword 

src/main/resources/application.properties

@@ -1,7 +1,7 @@
 ## Spring DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
-spring.datasource.url = jdbc:mysql://localhost:3306/notes_app?useSSL=false&serverTimezone=UTC&useLegacyDatetimeCode=false
-spring.datasource.username = root
-spring.datasource.password = callicoder
+spring.datasource.url = jdbc:mysql://db:3306/notes_app?useSSL=false&serverTimezone=UTC&useLegacyDatetimeCode=false
+spring.datasource.username = app
+spring.datasource.password = secretpassword
 
 
 ## Hibernate Properties