Switch to Postgres database

Highscore-Server/highscore/config.py

@@ -1,10 +1,21 @@
 import os
 
-SECRET_KEY = os.getenv('SECRET_KEY')
-BEARER_TOKEN = os.getenv('BEARER_TOKEN')
+# Purely to make the code a bit more readable
+def env(key):
+    return os.getenv(key)
 
-SQLALCHEMY_DATABASE_URI = 'sqlite:///db.sqlite'
+SECRET_KEY = env('SECRET_KEY')
+BEARER_TOKEN = env('BEARER_TOKEN')
+
+user = env('DB_USER')
+password = env('DB_PASSWORD')
+host = env('DB_HOST')
+port = env('DB_PORT')
+database = env('DB_NAME')
+
+SQLALCHEMY_DATABASE_URI = f"postgresql+psycopg2://{user}:{password}@{host}:{port}/{database}"
 SQLALCHEMY_TRACK_MODIFICATIONS = False
+SQLALCHEMY_POOL_RECYCLE = 621
 
 MIGRATION_DIR = '/data/storage/migrations'
 INSTANCE_DIR = '/data/storage/instance'

Highscore-Server/highscore/run.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+until pg_isready -d $DB_NAME -h $DB_HOST -p $DB_PORT -U $DB_USER
+do
+    echo "Waiting for database to start... (5s)"
+    sleep 5
+done
+
+echo "Database is ready! Creating tables..."
+flask --app server db init
+
+if [ -n flask --app server db check ]; then
+    echo "Database changes detected! Migrating..."
+    flask --app server db migrate
+    flask --app server db upgrade
+fi
+
+echo "Starting server..."
+gunicorn --bind highscore:8080 server:app

Highscore-Server/highscore/server.py

@@ -1,7 +1,5 @@
 import os
-
 from flask import Flask
-from flask_migrate import init as migrate_init
 from extensions import db, migrate, cache
 from config import MIGRATION_DIR, INSTANCE_DIR
 from views import blueprint
@@ -13,12 +11,7 @@ db.init_app(app)
 migrate.init_app(app, db, directory=MIGRATION_DIR)
 cache.init_app(app)
 
-if not os.path.exists(os.path.join(INSTANCE_DIR, 'db.sqlite')):
-    with app.app_context():
-        db.create_all()
-
-if not os.path.exists(MIGRATION_DIR):
-    with app.app_context():
-        migrate_init(directory=MIGRATION_DIR)
+with app.app_context():
+    db.create_all()
 
 app.register_blueprint(blueprint)