Devon Hillard’s Digital Sanctuary

  • Jump Start Your App With A Spring User Management App

    Jump Start Your App With A Spring User Management App

      Many of the web applications I build require user management. Registration, Login, that sort of thing. Implementing that properly always takes more time than I expect.  So I’ve written a flexible, easily configurable, User Management Framework on Spring Boot.  It is a fully functional user management application with registration, email verification, login, logout, update…

  • Remove Metadata Online For Free

    Remove Metadata Online For Free

    Almost every file we have on our phones, tablets, and computers, has secret information in it.  This Metadata is a hidden part of photos, videos, PDFs, Word and Excel documents, and more.  You should always remove metadata before you upload, email, text, or share a photo or video from your phone or computer! Much of…

  • AWS Lambda and EFS Troubleshooting

    AWS Lambda and EFS Troubleshooting

    Being able to connect your AWS Lambda Serverless function to an EFS file system opens the door to a lot of new uses for Lambda functions.  You are no longer limited to 512 MB of /tmp/ storage, which is shared across all active invocations.  You can use the EFS file system to read, write, and…

  • File Uploads to AWS S3 Made Easy!

    File Uploads to AWS S3 Made Easy!

    If you need to let end users of your website or web application upload files, read on! Using AWS, there is an easy way to use S3 and Lambda to handle file uploads in a totally scalable way.  The solution doesn’t require any changes to your web application, only a little JavaScript added on your…

  • Allow GitLab CI to use Docker Registry with Self Signed Certs

    This is a follow-on to my last post about how to fix Docker errors when using self signed SSL certificates on your Docker Registry. When you are using GitLab-CI, to push or pull from your private Docker Registry with self signed SSL certs, and using the Docker-in-Docker Runner approach, you need to tell each created…

  • Solution for Docker Registry Error: certificate signed by unknown authority

    If you are running a private Docker Registry, the Docker ecosystem makes it very difficult to run without SSL in place.  Even thought the out-of-the-box Docker Registry container  runs without SSL, over HTTP, many things won’t work properly, or at least easily, without installing SSL certificates. You can learn how to configure the registry server…

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