hakaneroztekin

# use openjdk 16 image
FROM openjdk:16

# copy the jar from host to container
ADD target/spring-app.jar app/spring-app.jar

# make app default directory for the upcoming commands
WORKDIR /app

# expose port 8080

hakaneroztekin

$ java -jar target/spring-app.jar
  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::       (v2.5.0-SNAPSHOT)
[main] c.h.j.SpringApp          : Starting SpringApp v0.0.1-SNAPSHOT
[main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''

hakaneroztekin

$ docker image build -t my-app .
[+] Building 0.2s (7/7) FINISHED

hakaneroztekin

# use nginx as a base image
FROM nginx

# copy contents from host to nginx
COPY ./src/index.html /usr/share/nginx/html/index.html

hakaneroztekin

$ echo "<h1 style='color:green'>Welcome :)</h1>" > /usr/share/nginx/html/index.html

hakaneroztekin

$ docker container rm my-container
my-container

hakaneroztekin

$ docker exec -it my-container bash
root@092246b4e808:/#

hakaneroztekin

  ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
  | docker host                      |
  |               ┏━━━━━━━━━━━━━━━━━┓|
[3000]---------»[80] my-container   ||
  |               ┗━━━━━━━━━━━━━━━━━┛|
  ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛

hakaneroztekin

$ docker container ls
CONTAINER ID   IMAGE  COMMAND                  CREATED         STATUS         PORTS                          NAMES
2a45998ad20d   nginx "/docker-entrypoint.…"   6 minutes ago   Up 6 minutes   80/tcp, 0.0.0.0:80->8080/tcp   my-container

hakaneroztekin

$ docker container run -d --name my-container -p 3000:80 nginx
ad4a816e7d2e1e104ac6285f770465a37a5417971f5cc99d8d7d04337b2542f0