add encryption

backup.sh

@@ -2,12 +2,16 @@
 echo "Starting PostgreSQL backup to S3..."
 echo "Setup minio client..."
 mc alias set s3 ${S3_ENDPOINT} ${S3_ACCESSKEY} ${S3_SECRETKEY}
+echo "Setup GPG..."
+echo "$GPG_PUBKEY" | base64 --decode | gpg --import
 echo "Backup database..."
 PGPASSWORD=${!PSQL_PASS} pg_dump -h ${PSQL_HOST} -U ${PSQL_USER}  -C ${PSQL_NAME} > /backups/backup.sql
 echo "Compress backup..."
 gzip /backups/backup.sql
+echo "Encrypt backup..."
+gpg --encrypt --recipient ${GPG_KEYID} -o /backups/backup.sql.gz.gpg /backups/backup.sql.gz
 echo "Copy to S3..."
-mc cp /backups/backup.sql.gz s3/${S3_BUCKET}/db-${PSQL_NAME}-$(date "+%Y-%m-%dT%H-%M-%S").sql.gz
+mc cp /backups/backup.sql.gz.gpg s3/${S3_BUCKET}/db-${PSQL_NAME}-$(date "+%Y-%m-%dT%H-%M-%S").sql.gz.gpg
 echo "Notify HC..."
 curl ${HC_URL}
 echo "done."