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MeDBia/videodb/init-db.php

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<?php
/**
* Docker DB initializer run via PHP CLI during container startup.
* Uses the app's own prefix_query() / runSQL() so table prefix is applied correctly.
*/
$db_host = getenv('DB_HOST') ?: 'db';
$db_user = getenv('DB_USER') ?: 'videodb';
$db_password = getenv('DB_PASSWORD') ?: 'videodb_secret';
$db_name = getenv('DB_NAME') ?: 'videodb';
$db_prefix = getenv('DB_PREFIX') ?: 'videodb_';
// Load install helpers (prefix_query, runSQL)
require_once '/var/www/html/core/install.core.php';
// Connect
$dbh = @mysqli_connect($db_host, $db_user, $db_password, $db_name);
if (!$dbh) {
fwrite(STDERR, "[init-db] ERROR: Cannot connect to MySQL: " . mysqli_connect_error() . "\n");
exit(1);
}
// Idempotency check — skip if already initialized
$result = mysqli_query($dbh, "SHOW TABLES LIKE '{$db_prefix}videodata'");
if ($result && mysqli_num_rows($result) > 0) {
echo "[init-db] Database already initialized — skipping.\n";
mysqli_close($dbh);
exit(0);
}
echo "[init-db] Initializing database schema (prefix: {$db_prefix})...\n";
$sql = file_get_contents('/var/www/html/install/install.sql');
if (!$sql) {
fwrite(STDERR, "[init-db] ERROR: Cannot read install/install.sql\n");
exit(1);
}
// Strip comment lines (# …) — the SQL parser in runSQL() does not strip them
$sql = preg_replace('/^\s*#[^\n]*\n/m', "\n", $sql);
if (runSQL($sql, $dbh) === false) {
fwrite(STDERR, "[init-db] ERROR: Schema install failed: " . mysqli_error($dbh) . "\n");
exit(1);
}
echo "[init-db] Database initialized successfully.\n";
mysqli_close($dbh);