I'm not a Fly.io expert, or a PocketBase expert, but just from skimming (and discussing with the Aptible engineering team, which is much smarter than I am on this stuff), it seems like you have a caching issue that isn't a Fly issue. It seems like it is more on PocketBase. Source: about 1 year ago

For security focused apps (hipaa, soc2, iso, gdpr, etc) check out https://aptible.com. - Source: Hacker News / over 1 year ago

Aptible (YC S14) | https://aptible.com/ | REMOTE (PT through ET Time Zones) | Marketing, DevRel, and additional opportunities For developers at high growth companies who want to focus on building products and shipping code, Aptible automates the security of resources across their entire cloud infrastructure. Our platform as a service is used by thousands of developers, especially those at digital health startups,... - Source: Hacker News / about 2 years ago

Aptible (YC S14) | https://aptible.com | REMOTE (PT through ET Timezones) | Senior to Principal Software Engineer Aptible helps create a more trustworthy internet by improving data security and compliance. We make it simple for modern businesses to manage compliance so that they can build customer trust. To learn more about who we are, our culture, and whether Aptible is the right place for you, you can read our... - Source: Hacker News / about 3 years ago

You can use cloudendure.com, bought some time ago by AWS to make it's technology free for any_to_AWS move, agent based that will copy bit-by-bit and you can test vm on the other side before final cut on source side... Source: over 2 years ago

That being said, I'd still vote for the rearchitecing part, at least to the level what you were describing. If you do decide to lift-and-shift tho, we just completed a big migration with CloudEndure and I can recommend it. Source: over 3 years ago