The memory size you choose for your Lambda functions determines how long they can run in the free tier. The Lambda free tier does not automatically expire at the end of your 12 month AWS Free Tier term, but is available to both existing and new AWS customers indefinitely. Finishing Up. There is one final thing I want to address. 12-Months Free: These free tier offers are only available to new and existing AWS China Ningxia Region customers, and are available for 12 months from the date the account was created, or for 12 months following the launch date of AWS China Ningxia Region Free Tier in. Learn about the AWS Free Tier and how you can use features of AWS at no cost for 12 months.

PostgreSQL on Ubuntu runs nicely on an AWS micro instance. PostgreSQL and ADempiere JBoss do not run nicely on a single AWS micro instance. There is not enough horse power. AWS gives you 750 hours of EC2 micro instance usage per month for free as part of their free tier.