Complete Chapter 5

+ Add in More CI/CD
+ Update Tests and Configurations

scripts/remove_test_dbs.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -x
+set -eo pipefail
+
+DB_USER="${POSTGRES_USER:=postgres}"
+DB_PASSWORD="${POSTGRES_PASSWORD:=password}"
+DB_NAME="${POSTGRES_DB:=newsletter}"
+DB_PORT="${POSTGRES_PORT:=5432}"
+DB_HOST="${POSTGRES_HOST:=localhost}"
+
+for dbname in $(psql -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" -d "$DB_NAME" -c "copy (select datname from pg_database where datname like '%-%-%-%-%') to stdout") ; do
+    echo "dropping database $dbname"
+    dropdb -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" "$dbname"
+done