create a lambda for generating files

[p-zalejko]

• use docker if possible
• receive all data as input
• generate file
• save the file to the s3

articles:

• https://quarkus.io/guides/amazon-lambda
• https://aws.amazon.com/blogs/aws/new-for-aws-lambda-container-image-support/
• https://www.base2services.com/community/techie/2020/12/04/2020-12-04-quarkus-lambda-containers.html
• https://medium.com/swlh/aws-dynamodb-triggers-event-driven-architecture-61dea6336efb (use the NEW_IMAGE option)
• https://quarkus.io/guides/amazon-s3
• https://docs.aws.amazon.com/lambda/latest/dg/with-s3-example.html

the flow: save request in DB > lambda (triggered by DB) generates a file and saves to s3 > lambda (triggered by s3) updates DB

[p-zalejko]

• evaluate Apache PDFBox
• evaluate convertion of HTML to PDF (example: https://www.baeldung.com/pdf-conversions-java , https://www.baeldung.com/thymeleaf-generate-pdf )

[p-zalejko]

check it: https://github.com/ChristianPeter/pdf-generator/blob/master/src/main/java/org/ptec/qute/pdfgen/boundary/PdfGeneratorResource.java

https://github.com/danfickle/openhtmltopdf

[p-zalejko]

Check https://github.com/quarkiverse/quarkus-freemarker