Note: In order to run your Spring Boot app in standalone tomcat, please do make the code changes mentioned in Deploying SpringBoot application in Standalone Tomcat
FROM tomcat:latest
ADD target/sample.war /usr/local/tomcat/webapps/
EXPOSE 8080
CMD ["catalina.sh", "run"]
| Keyword | Usage |
|---|---|
| FROM | Base image on top of which our custom image is to be build |
| ADD | Copy war file into webapps folder inside Docker |
| EXPOSE | Expose port 8080 outside Docker container |
| CMD | The command to be executed when the Docker image is run |
Now run the command
> docker-compose up --build
Note : --build is used to build images before starting the container instead of using the existing image
Above command will start processing docker-compose.yml file. Since we specified build: . in docker-compose.yml file, it will look for Dockerfile in current directory & build a custom image using the same.
Once the docker container is up, try hitting http://localhost:8080/sample/index?name=Vicky
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