misc: Add config for a test database on API (#283)

docker-compose.dev.yml

@@ -30,11 +30,12 @@ services:
     container_name: lago_db
     restart: unless-stopped
     environment:
-      POSTGRES_DB: ${POSTGRES_DB:-lago}
       POSTGRES_USER: ${POSTGRES_USER:-lago}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-changeme}
       PGDATA: /data/postgres
+      POSTGRES_MULTIPLE_DATABASES: lago,lago_test
     volumes:
+      - ./pg-init-scripts:/docker-entrypoint-initdb.d
       - postgres_data:/data/postgres
     ports:
       - 5432:5432
@@ -86,6 +87,7 @@ services:
     environment:
       - LAGO_API_URL=https://api.lago.dev
       - DATABASE_URL=postgresql://${POSTGRES_USER:-lago}:${POSTGRES_PASSWORD:-changeme}@db:5432/${POSTGRES_DB:-lago}
+      - DATABASE_TEST_URL=postgresql://${POSTGRES_USER:-lago}:${POSTGRES_PASSWORD:-changeme}@db:5432/${POSTGRES_DB:-lago_test}
       - REDIS_URL=redis://redis:6379
       - SECRET_KEY_BASE=${SECRET_KEY_BASE:-your-secret-key-base-hex-64}
       - LAGO_FRONT_URL=${FRONT_URL:-https://app.lago.dev}

scripts/pg-init-scripts/create-multiple-postgresql-databases.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+set -e
+set -u
+
+function create_user_and_database() {
+	local database=$1
+	echo "  Creating user and database '$database'"
+	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-EOSQL
+	    CREATE USER $database;
+	    CREATE DATABASE $database;
+	    GRANT ALL PRIVILEGES ON DATABASE $database TO $database;
+EOSQL
+}
+
+if [ -n "$POSTGRES_MULTIPLE_DATABASES" ]; then
+	echo "Multiple database creation requested: $POSTGRES_MULTIPLE_DATABASES"
+	for db in $(echo $POSTGRES_MULTIPLE_DATABASES | tr ',' ' '); do
+		create_user_and_database $db
+	done
+	echo "Multiple databases created"
+fi