Update docker-compose.mdx

Author: srinivaspendem

self-hosting/methods/docker-compose.mdx

@@ -9,7 +9,7 @@ Plane One and Plane Pro are enabled on this edition, so the Free plan on this ed
 
 ### Prerequisites
 
-   - A virtual or on-prem machine with at least 4 vCPUs and 16 GB RAM
+   - A virtual or on-prem machine with at least 2 vCPUs and 8 GB RAM
    - `x64` AKA `AMD 64` or `AArch 64` AKA `ARM 64` CPUs
    - Supported operating systems:
       - Ubuntu
@@ -136,4 +136,4 @@ If you want to upgrade to a paid plan, see [Plan upgrades](https://docs.plane.so
 
 ## Troubleshoot
 - [Error during Docker Compose execution](/self-hosting/troubleshoot/installation-errors#error-during-docker-compose-execution)
-- [Migrator container exited](/self-hosting/troubleshoot/installation-errors#migrator-container-exited)
+- [Migrator container exited](/self-hosting/troubleshoot/installation-errors#migrator-container-exited)