Run database migration from app startup

db/migrate.php

@@ -0,0 +1,47 @@
+<?php
+$host = getenv('DB_HOST') ?: 'db';
+$user = getenv('DB_USER') ?: 'webgis';
+$pass = getenv('DB_PASSWORD') ?: 'webgis_password';
+$name = getenv('DB_NAME') ?: 'webgis_project';
+$schema = __DIR__ . '/schema.sql';
+
+if (!is_file($schema)) {
+    fwrite(STDERR, "Schema file not found: $schema\n");
+    exit(1);
+}
+
+$conn = null;
+for ($i = 1; $i <= 30; $i++) {
+    mysqli_report(MYSQLI_REPORT_OFF);
+    $conn = @new mysqli($host, $user, $pass, $name);
+    if (!$conn->connect_error) {
+        break;
+    }
+    fwrite(STDERR, "Waiting for database ($i/30): {$conn->connect_error}\n");
+    sleep(2);
+}
+
+if (!$conn || $conn->connect_error) {
+    fwrite(STDERR, "Database connection failed.\n");
+    exit(1);
+}
+
+$conn->set_charset('utf8mb4');
+$sql = file_get_contents($schema);
+
+if (!$conn->multi_query($sql)) {
+    fwrite(STDERR, "Migration failed: {$conn->error}\n");
+    exit(1);
+}
+
+do {
+    if ($result = $conn->store_result()) {
+        $result->free();
+    }
+    if ($conn->more_results() && !$conn->next_result()) {
+        fwrite(STDERR, "Migration failed: {$conn->error}\n");
+        exit(1);
+    }
+} while ($conn->more_results());
+
+echo "Database migration completed.\n";

docker-compose.yml

@@ -33,23 +33,8 @@ services:
       DB_USER: webgis
       DB_PASSWORD: webgis_password
       DB_NAME: webgis_project
-    depends_on:
-      migrate:
-        condition: service_completed_successfully
-
-  migrate:
-    build:
-      context: .
-      dockerfile_inline: |
-        FROM mariadb:10.11
-        COPY db/schema.sql /schema.sql
-    environment:
-      DB_HOST: db
-      DB_USER: webgis
-      DB_PASSWORD: webgis_password
-      DB_NAME: webgis_project
     command: >
-      sh -c "mariadb --host=db --user=webgis --password=webgis_password webgis_project < /schema.sql"
+      bash -lc "php /var/www/html/db/migrate.php && apache2-foreground"
     depends_on:
       db:
         condition: service_healthy