fix: more leeway for minimum RAM (#3290)

more generous leeway

Author: joshuarli

install/_min-requirements.sh

@@ -1,5 +1,9 @@
-# Don't forget to update the README and othes docs when you change these!
+# Don't forget to update the README and other docs when you change these!
 MIN_DOCKER_VERSION='19.03.6'
 MIN_COMPOSE_VERSION='2.19.0'
-MIN_RAM_HARD=15900 # MB
+
+# 16 GB minimum host RAM, but there'll be some overhead outside of what
+# can be allotted to docker
+MIN_RAM_HARD=14000 # MB
+
 MIN_CPU_HARD=4