Use native Golang connection pooling to reduce number of connections opened for postgres (#195) #239
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Description of your changes
This change reduces the number of connections that must be opened to support a reconciliation job. On execution of New() it opens a connection pool with a maximum of 5 connections (hard-coded in this iteration) with a max lifetime of 10 minutes. After 2 minutes, any idle (unused) connections will be terminated to a minimum of 2 connections. These connections are then reused across the entire lifecycle.
Fixes #195
I have:
make reviewable
to ensure this PR is ready for review.How has this code been tested
e2e tests done and tested by production observations over the last 7 months.