Containerized App and DB #3
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CodelineAtyab
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Aug 8, 2024
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CodelineAtyab
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| ENV SPRING_JPA_SHOW_SQL=true | ||
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| # Run the Spring Boot application | ||
| ENTRYPOINT ["sh", "-c", "java -jar /app/rihal-0.0.1-SNAPSHOT.jar || (echo 'Application failed, sleeping indefinitely' && sleep infinity)"] |
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Usually we want a container to stop if Java application fails to run. In this case if the application doesn't run then the container would still be up which might cause confusion until someone looks at the logs.
Please share some thoughts about this ?
| environment: | ||
| SPRING_DATASOURCE_URL: jdbc:mysql://mysql:3307/usersystem?useSSL=false&serverTimezone=UTC&createDatabaseIfNotExist=true&allowPublicKeyRetrieval=true | ||
| SPRING_DATASOURCE_USERNAME: root | ||
| SPRING_DATASOURCE_PASSWORD: root |
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Its very important not to expose any password in code changes pushed to GitHub.
Using the .env file can help solve these issues.
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The solution involved creating a Dockerfile to containerize the Spring Boot application and a docker-compose.yml file to manage both the application and the MySQL database. The Dockerfile handles the build and run stages, while the Docker Compose file orchestrates the multi-container setup, ensuring the services are correctly configured and networked. This setup allows for easy deployment and management of the application in a containerized environment.