Run Spring boot App using docker container and nginx - spring-boot

Question

I trying to open JSP files using docker containers and nginx server. I run spring boot app by making it as a container. But when I try to open http://152.18.5.150:8081/hello page it cannot find root path.
My app/Dockerfile
FROM openjdk:8
ADD jarfolder/docker-spring-controller.jar docker-spring-controller.jar
EXPOSE 8081
ENTRYPOINT ["java", "-jar", "/docker-spring-controller.jar"]
docker-compose.yml
version: '3'
services:
nginx:
container_name: some-nginx-control
image: nginx:1.13
restart: always
ports:
- 80:80
- 443:443
volumes:
- ./nginx/conf.d:/etc/nginx/conf.d
depends_on:
- app
app:
restart: always
build: ./app
ports:
- "8081:8081"
db:
restart: always
container_name: docker-postgresql_2
image: postgres:9.6
environment:
- POSTGRES_PASSWORD=password
- POSTGRES_USER=postgres
- POSTGRES_DB=abdu
- PGDATA=/var/lib/postgresql/data/pgdata
ports:
- "5432:5432"
/nginx/conf.d/app.conf
server {
listen 80;
charset utf-8;
access_log off;
location ~ \.jsp$ {
root app/;
expires 30d;
}
location / {
proxy_pass http://app:8081;
proxy_set_header Host $host:$server_port;
proxy_set_header X-Forwarded-Host $server_name;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
location /hello {
proxy_pass http://app:8081/hello;
}
location /static {
access_log off;
expires 30d;
alias /app/static;
}
}
application.properties
spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp
server.port=8081
MyController.java
#Controller
public class MyController {
#RequestMapping("/welcome")
public String welcome_page() { //ModelMap map
return "welcome";
}
#RequestMapping("/hello")
public String hello_page() { //ModelMap map
return "hello";
}
}
when i run command docker ps -a
IMAGE PORTS
nginx:1.13 0.0.0.0:80->80/tcp
docker-spring-controller_app 0.0.0.0:8081->8081/tcp
.jsp files are app/src/main/webapp/WEB-INF/jsp/
Please help me. Where I am making mistake