How to Create a Custom Spring Boot Startup Banner
This guide shows how to display a custom ASCII art logo in the console by adding a banner.txt file to the resources folder and using Spring Boot's built‑in variables such as ${AnsiColor} and ${spring-boot.version} to customize the appearance.
Many developers want their Spring Boot application to print a custom logo or ASCII art when it starts. Spring Boot makes this easy: simply add a banner.txt file to the src/main/resources directory.
Place the desired picture or text in banner.txt. The article includes two example images that illustrate how the banner looks once the file is created.
When the application is launched, Spring Boot automatically reads banner.txt and prints its content to the console, producing the visual effect shown in the examples.
Variable Reference
${AnsiColor}: sets the text color.
${AnsiBackground}: sets the background color.
${application.version}: inserts the version number from the MANIFEST.MF file (if the version cannot be resolved, the placeholder remains empty).
${application.formatted-version}: inserts the version wrapped in parentheses, e.g., (v1.5.12.RELEASE).
${spring-boot.version}: inserts the Spring Boot version.
${spring-boot.formatted-version}: inserts the formatted Spring Boot version.
After configuring the banner and optionally using the variables above, start the Spring Boot project and the custom banner will appear in the console.
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