feat(postgres): add postgres docker script

.env.example

@@ -1,3 +1,3 @@
-PAYLOAD_SECRET=jawliejfilwajefSEANlawefawfewag349jwgo3gj4w
-MONGODB_URI=mongodb://127.0.0.1:27017/next-payload-3
-POSTGRES_URI=postgres://127.0.0.1:5432/next-payload-3
+PAYLOAD_SECRET='jawliejfilwajefSEANlawefawfewag349jwgo3gj4w'
+MONGODB_URI='mongodb://127.0.0.1:27017/next-payload-3'
+POSTGRES_URI='postgresql://postgres:password123@127.0.0.1:5432/next-payload-3'

start-database.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+DB_CONTAINER_NAME="next-payload-3"
+
+if ! [ -x "$(command -v docker)" ]; then
+  echo "Docker is not installed. Please install docker and try again.\nDocker install guide: https://docs.docker.com/engine/install/"
+  exit 1
+fi
+
+if [ "$(docker ps -q -f name=$DB_CONTAINER_NAME)" ]; then
+  docker start $DB_CONTAINER_NAME
+  echo "Database container started"
+  exit 0
+fi
+
+set -a
+source .env
+
+DB_PASSWORD=$(echo $DATABASE_URL | awk -F':' '{print $3}' | awk -F'@' '{print $1}')
+
+if [ "$DB_PASSWORD" = "password" ]; then
+  echo "You are using the default database password"
+fi
+
+docker run --name $DB_CONTAINER_NAME -e POSTGRES_PASSWORD=$DB_PASSWORD -e POSTGRES_HOST_AUTH_METHOD=trust -e POSTGRES_DB=next-payload-3 -d -p 5432:5432 docker.io/postgres
+
+echo "Database container was successfully created"
+