Update sql-backup script

Author: kenkoooo

sql-backup/run.sh

@@ -1,9 +1,5 @@
 #!/bin/sh
 
-export SQL_PORT=5432
-echo ${SQL_HOST}:${SQL_PORT}:${SQL_DB}:${SQL_USER}:${SQL_PASS} > ~/.pgpass
-chmod 0600 ~/.pgpass
-pg_dump -h ${SQL_HOST} -w -U ${SQL_USER} ${SQL_DB} > backup.sql
-psql -h ${SQL_HOST} -w -U ${SQL_USER} -d ${SQL_DB} -c "\copy submissions TO './submissions.csv' WITH (FORMAT CSV, HEADER)"
+psql ${DATABASE_URL} -c "\copy submissions TO './submissions.csv' WITH (FORMAT CSV, HEADER)"
 gzip submissions.csv
 aws s3 cp submissions.csv.gz s3://kenkoooo/submissions.csv.gz --acl public-read