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This is an example project for a file upload in Spring Boot4.0.0. Uploads can be part of any form using DTOs. In this example you can manage profiles with a resume in PDF or DOC format in a Thymeleaf frontend. Implementation details:

• Separate tableFileContent for storing file content
• The entityProfile contains a JSON objectFileData with the name and UID of the file
• TheFileDataService provides utility functions for uploads and downloads
• TheConverterConfig registers a converter for transforming uploads fromMultipartFile to aFileData object transparently
• The annotationValidFileType ensures the correct file type

This project was created usingBootify.io. Choose your preferred frontend and preferences,create your own database schema including file fields, and get a working Spring Boot application directly in your browser.

Update your local database connection inapplication.yml or create your ownapplication-local.yml file to override settings for development.

During development it is recommended to use the profilelocal. In IntelliJ-Dspring.profiles.active=local can be added in the VM options of the Run Configuration after enabling this property in "Modify options".

After starting the application it is accessible underlocalhost:8080.

The application can be built using the following command:

mvnw clean package

Start your application with the following command - here with the profileproduction:

java -Dspring.profiles.active=production -jar ./target/file-upload-0.0.1-SNAPSHOT.jar

If required, a Docker image can be created with the Spring Boot plugin. AddSPRING_PROFILES_ACTIVE=production as environment variable when running the container.

mvnw spring-boot:build-image -Dspring-boot.build-image.imageName=io.bootify/file-upload

• Maven docs
• Spring Boot reference
• Spring Data JPA reference
• Thymeleaf docs
• Bootstrap docs