#!/bin/bash
echo Migrate PostgreSQL version

DB_PATH=/db
OLD_DB_PATH=/tmp/old_db

# Run database on a COPY of the database
cp -r "$DB_PATH" "$OLD_DB_PATH"

# Start the database in the background
/postgres/16/bin/postgres -D /tmp/old_db/ &

while true;
do
    echo Waiting for database...
    if echo "\q" | /postgres/16/bin/psql  -U "$POSTGRES_USER";
    then
        break
    fi
done

# Perform dump


# Stop database
#pkill postgres

bash