Create start.sh

start.sh

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+#!/bin/bash
+
+# --- 1. Configure & Start PostgreSQL ---
+echo "Starting PostgreSQL..."
+
+# Start the service (as user 'postgres')
+service postgresql start
+
+# Wait a moment for it to boot
+sleep 3
+
+# Create a generic 'playground' user and database.
+# We don't set a password because we will rely on local trust.
+su - postgres -c "psql -c \"CREATE USER playground SUPERUSER;\""
+su - postgres -c "psql -c \"CREATE DATABASE playground OWNER playground;\""
+
+# Edit pg_hba.conf to trust ALL local connections (removes password requirement)
+# This file location depends on the version installed by apt, usually /etc/postgresql/13/main/pg_hba.conf
+# We use a wildcard find to locate it.
+PG_CONF=$(find /etc/postgresql -name "pg_hba.conf")
+echo "host    all             all             127.0.0.1/32            trust" > $PG_CONF
+echo "local   all             all                                     trust" >> $PG_CONF
+
+# Restart Postgres to apply "trust" settings
+service postgresql restart
+
+
+# --- 2. Configure & Start MySQL (MariaDB) ---
+echo "Starting MySQL..."
+
+# Start the service
+service mariadb start
+
+# Wait a moment
+sleep 3
+
+# Create the playground database and a root user that can connect from localhost without password
+# In MariaDB/MySQL on Debian, the unix socket authentication is default, 
+# but for Python we often want TCP. We'll create a wide-open user.
+mysql -e "CREATE DATABASE playground;"
+mysql -e "CREATE USER 'playground'@'localhost';"
+mysql -e "GRANT ALL PRIVILEGES ON *.* TO 'playground'@'localhost';"
+mysql -e "FLUSH PRIVILEGES;"
+
+
+# --- 3. Start Flask App ---
+echo "Starting Flask API..."
+python app.py