Сontainerization of the app.

Dockerfile.txt

@@ -0,0 +1,19 @@
+
+FROM tomcat:8.0-alpine
+# define variables
+ARG db_user
+ARG db_passwd
+ARG dp_port
+ARG db_ip
+ARG db_name
+ARG db_conf=ROOT/Config.properties
+# copy artifacts
+WORKDIR /usr/local/tomcat/
+ADD target/App42PaaS-Java-MySQL-Sample-0.0.1-SNAPSHOT.war webapps/
+ADD WebContent/Config.properties ROOT/
+# edit conf file
+RUN echo app42.paas.db.username = ${db_user} > ${db_conf} \
+&& echo app42.paas.db.port = ${dp_port} >> ${db_conf} \
+&& echo app42.paas.db.password = ${db_passwd} >> ${db_conf} \
+&& echo app42.paas.db.ip = ${db_ip} >> ${db_conf} \
+&& echo app42.paas.db.name = ${db_name} >> ${db_conf}

docker-compose.yml

@@ -0,0 +1,34 @@
+version: '3'
+services:
+  bld:
+    image: maven:3.3-jdk-8
+    volumes:
+      - ./:/usr/src/mymaven
+    working_dir: /usr/src/mymaven
+    command: mvn clean install
+
+  prod:
+    build:
+      context: .
+      args:
+        db_user: devops12
+        db_passwd: secret12
+        dp_port: 3306
+        db_ip: db
+        db_name: database
+    ports:
+      - "80:8080"
+    depends_on:
+      - bld
+      - db
+  db:
+    image: mariadb:10.1
+    environment:
+      MYSQL_ROOT_PASSWORD: secret
+      MYSQL_USER: devops12
+      MYSQL_PASSWORD: secret12
+      MYSQL_DATABASE: database
+    volumes:
+      - dbdata:/var/lib/mysql
+volumes:
+  dbdata: