[JAVA] Launch Nginx + Spring Boot application with docker-compose


Create the following Dockerfile and start it from docker-compose.

  1. Forward the request to port 80 of the host to port 8080 of the Nginx container
  2. Forward the request to Nginx to port 8090 of the Spring Boot container

What to use

The version is also listed. It's not that you can't do it without this version.

Directory structure

Only the items required this time are listed.

--Repository root - docker - docker-nginx - Dockerfile - nginx.conf - docker-springboot - Dockerfile - docker-springboot-local - Dockerfile - docker-compose.yml - gradlew - gradlew.bat

Create various Dockerfiles


Start Nginx Dockerfile


FROM nginx:1.15.0

ADD nginx.conf /etc/nginx/conf.d/nginx.conf

Nginx config file

Not a Dockerfile, but one used by scripts in the Dockerfile.


server {
  listen 8080;
  charset utf-8;
  access_log off;

  location / {
    proxy_pass http://app:8090;
    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 /static {
    access_log   off;
    expires      30d;

    alias /app/static;

I don't know if this is the best. There is no HTTPS, and you need to add what your application needs here.

The app of app: 8090 is the Spring Boot container of docker-compose.yml described later.

Spring Boot

Spring Boot startup Dockerfile (clone from Git and start)


FROM openjdk:10.0.1-jdk

RUN git clone https://github.com/xxxx/repo_name.git
WORKDIR ./repo_name

RUN ./gradlew --full-stacktrace -q build

CMD ./gradlew bootRun

Spring Boot startup Dockerfile (start by referring to local source)


FROM openjdk:10.0.1-jdk

Since the necessary settings are specified from docker-compose.yml, the result is only FROM.

Create docker-compose.yml file


version: '3'


    container_name: container_nginx
    build: docker/docker-nginx
    restart: always
      - 80:8080
    hostname: container_nginx_hostname
      - app

    container_name: container_springboot
    restart: always
    build: docker/docker-springboot
      - 8090
    command: ./gradlew bootRun
    hostname: container_springboot_hostname

#Used when launching quickly locally
#  app:
#    container_name: container_springboot-local
#    restart: always
#    build: docker/docker-springboot-local
#    expose:
#      - 8090
#    command: ./gradlew bootRun
#    hostname: container_springboot-local_hostname
#    working_dir: /container_springboot
#    volumes:
#      - ./:/container_springboot


If you start it with docker-comose, you can execute the API on localhost / application path.


Since it was written roughly so as not to forget the contents of Dockerfile and docker-compose.yml, there is no detailed explanation, but I was able to accept the HTTP request with Nginx and send it to Spring Boot above.

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