feat: Create a small bash script for launching Postgres using Docker

Author: utilForever

scripts/init_db.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -x
+set -eo pipefail
+
+# Check if a custom user has been set, otherwise default to 'postgres'
+DB_USER=${POSTGRES_USER:=postgres}
+# Check if a custom password has been set, otherwise default to 'password'
+DB_PASSWORD="${POSTGRES_PASSWORD:=password}"
+# Check if a custom database name has been set, otherwise default to 'bibimbap'
+DB_NAME="${POSTGRES_DB:=bibimbap}"
+# Check if a custom port has been set, otherwise default to '5432'
+DB_PORT="${POSTGRES_PORT:=5432}"
+# Check if a custom host has been set, otherwise default to 'localhost'
+DB_HOST="${POSTGRES_HOST:=localhost}"
+
+# Launch Postgres using Docker
+docker run \
+  -e POSTGRES_USER=${DB_USER} \
+  -e POSTGRES_PASSWORD=${DB_PASSWORD} \
+  -e POSTGRES_DB=${DB_NAME} \
+  -p "${DB_PORT}":5432 \
+  -d postgres \
+  postgres -N 1000
+  # ^ Increased maximum number of connections for testing purposes