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How to copy production database on AWS RDS(postgresql) to local development database.
  1. Change your database RDS instance security group to allow your machine to access it.
    • Add your ip to the security group to acces the instance via Postgres.
  2. Make a copy of the database using pg_dump
    • $ pg_dump -h <public dns> -U <my username> -f <name of dump file .sql> <name of my database>
    • you will be asked for postgressql password.
    • a dump file(.sql) will be created
  3. Restore that dump file to your local database.
    • but you might need to drop the database and create it first
    • $ psql -U <postgresql username> -d <database name> -f <dump file that you want to restore>
    • the database is restored
  4. pg_restore -h <host> -U <username> -c -d <database name> <filename to be restored>


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Andrew-Chen-Wang commented Dec 9, 2020

Just a note: if you're using a custom VPC, make sure you enable "Publicly Accessible" in your DB instance and that your VPC has an internet gateway (by attaching the gateway to the VPC ID).

Future me: also make sure your route table is actually pointing to your internet gateway: because last time it was pointing to an old one that didn't allow me to connect to anything.

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burakuytun-rightsoft commented Jan 21, 2021

I get this error "pg_dump: error: could not open output file "test_dump_20210121.sql": Permission denied"

Any ideas?

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nikhilshinday commented Jan 21, 2021

Hey @burakuytun-rightsoft it might be because your current user doesn't have the right permissions. Try running sudo chmod 666 test_dump_20210121.sql.

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daphn3k commented Mar 4, 2021

Thanks for this. #4 was not needed.
The extra step I had to do before restoring the dump, was create the DB, as well as the users and roles associated with it.
Adding a user for rdsadmin is necessary if it's the owner of any objects in your DB. If not, then you should be fine ignoring the error.

PS. Depending on the size (and purpose) of your DB, it might make sense to change the location of postgres' data directory

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parikshit223933 commented Jun 17, 2022

Thanks @kinduff :)

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