Upload files to your amazon s3 bucket using Spring Boot Web.

Follow the below instructions to get started with the source code:

• Make sure you have all Requirements
• Download Source Code
• Configure storage properties
• Open Project in your favourite Java IDE and Enjoy!

Make sure you have the below requirements before starting:

• OpenJDK 11 (LTS)
• IntelliJ IDEA
• Basic Knowledge about Spring and Java
• AWS Account
• IAM user with access-key and secret-access-key (user’s credentials)
• Amazon S3 bucket

You can get access to the source code by using one of the following ways:

• ✨ Download Source Code
• 🔥 Clone the repository locally:

git clone https://github.com/germanfica/tut-aws-amazon-s3-spring-boot.git

• AWS Java SDK Amazon S3:

<dependencies>
  <dependency>
    <groupId>software.amazon.awssdk</groupId>
    <artifactId>s3</artifactId>
  </dependency>
</dependencies>
<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>software.amazon.awssdk</groupId>
      <artifactId>bom</artifactId>
      <version>2.17.124</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

• Project Lombok:

<dependency>
  <groupId>org.projectlombok</groupId>
  <artifactId>lombok</artifactId>
  <version>1.18.22</version>
</dependency>

Open src/main/resources/config/storage.properties

amazon.s3.bucket-name = your-bucket-name
amazon.s3.region = ${AWS_DEFAULT_REGION}
amazon.aws.credentials.access-key = ${AWS_ACCESS_KEY_ID}
amazon.aws.credentials.secret-access-key = ${AWS_SECRET_ACCESS_KEY}

For more security, create environment variables in your machine, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_DEFAULT_REGION and populate it with IAM informations.

Linux or macOS

export AWS_ACCESS_KEY_ID=AKIAIOSFODNN7EXAMPLE
export AWS_SECRET_ACCESS_KEY=wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
export AWS_DEFAULT_REGION=us-west-2

Windows Command Prompt

setx AWS_ACCESS_KEY_ID AKIAIOSFODNN7EXAMPLE
setx AWS_SECRET_ACCESS_KEY wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
setx AWS_DEFAULT_REGION us-west-2

PowerShell

$Env:AWS_ACCESS_KEY_ID="AKIAIOSFODNN7EXAMPLE"
$Env:AWS_SECRET_ACCESS_KEY="wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
$Env:AWS_DEFAULT_REGION="us-west-2"

Open src/main/resources/application.properties

spring.servlet.multipart.max-file-size=10MB
spring.servlet.multipart.max-request-size=10MB

mvn spring-boot:run

If you want you can test your API using postman. I share my postman collection with you so you can fork it with the following link:

• German Fica

None.

MIT