Switch to https using Caddy proxy.

passman-dev/Caddyfile

@@ -0,0 +1,19 @@
+# HTTP site: redirect everything to HTTPS
+http://localhost {
+    redir https://{host}{uri} permanent
+}
+
+# HTTPS site
+https://localhost {
+    reverse_proxy web:80
+    tls internal
+
+    # Optional: security headers (defense-in-depth)
+    header {
+        X-Content-Type-Options "nosniff"
+        X-Frame-Options "DENY"
+        Referrer-Policy "no-referrer"
+    }
+}
+
+

passman-dev/db/init/01-create-pwd_mgr-db-withData.sql

@@ -22,6 +22,12 @@ CREATE TABLE IF NOT EXISTS `dummy` (
   `id` int(11) DEFAULT NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 
+-- Create a dedicated DB user for the web application (least privilege).
+-- Grant only the required privileges on the application database.
+CREATE USER IF NOT EXISTS 'passman_app'@'%' IDENTIFIED BY 'passman_app_pw';
+GRANT SELECT, INSERT, UPDATE, DELETE ON pwd_mgr.* TO 'passman_app'@'%';
+FLUSH PRIVILEGES;
+
 CREATE TABLE IF NOT EXISTS `login_users` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `username` varchar(20) NOT NULL,
@@ -31,7 +37,7 @@ CREATE TABLE IF NOT EXISTS `login_users` (
 ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 
 INSERT INTO `login_users` (`id`, `username`, `password`) VALUES
-	(1, 'u1', '$2y$10$L18u5/PyVkDgsce/DsUOQu0sKhTzh854Euhog3cVb1W4YAfgRzY8W'); /* php -r 'echo password_hash("p1", PASSWORD_DEFAULT), PHP_EOL;' */
+	(1, 'u1', '$2y$10$L18u5/PyVkDgsce/DsUOQu0sKhTzh854Euhog3cVb1W4YAfgRzY8W'); -- php -r 'echo password_hash("p1", PASSWORD_DEFAULT), PHP_EOL;'
 
 CREATE TABLE IF NOT EXISTS `notes` (
   `notesid` int(11) NOT NULL AUTO_INCREMENT,

passman-dev/docker-compose.yml

@@ -2,18 +2,30 @@
 services:
   web:
     build: .
-    ports:
-      - "80:80"
+    # ports:
+    #   - "80:80"
     volumes:
       - ./php:/var/www/html
     environment:
       DB_HOST: db
-      DB_USER: root
-      DB_PASS: rootpass
       DB_NAME: pwd_mgr
+      DB_USER: passman_app
+      DB_PASS: passman_app_pw
     depends_on:
       - db
 
+  proxy:
+    image: caddy:2
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile:ro
+      - caddy_data:/data
+      - caddy_config:/config
+    depends_on:
+      - web
+
   db:
     image: mariadb:11
     container_name: passman_db
@@ -30,4 +42,6 @@ services:
 
 volumes:
   dbdata:
+  caddy_data:
+  caddy_config:
 

passman-dev/php/passman/config.php

@@ -3,8 +3,8 @@
 // NOTE: In Docker, the DB host is the service name (e.g., "db"), not "localhost".
 
 $DB_HOST = getenv('DB_HOST') ?: 'db';
-$DB_USER = getenv('DB_USER') ?: 'root';
-$DB_PASS = getenv('DB_PASS') ?: 'rootpass';
+$DB_USER = getenv('DB_USER') ?: 'passman_app';
+$DB_PASS = getenv('DB_PASS') ?: 'passman_app_pw';
 $DB_NAME = getenv('DB_NAME') ?: 'pwd_mgr';
 
 // Create a DB connection.

passman-dev/php/passman/index.html

@@ -15,23 +15,23 @@
 	<br />
 	<ul>
 		<li>
-			<a href="http://localhost/passman/register.php">Registration Form</a>
+			<a href="/passman/register.php">Registration Form</a>
 		</li>
 		<br />
 		<li>
-			<a href="http://localhost/passman/login.php">Login Page</a>
+			<a href="/passman/login.php">Login Page</a>
 		</li>
 		<br />
 		<li>
-			<a href="http://localhost/passman/logout.php">Logout Page</a>
+			<a href="/passman/logout.php">Logout Page</a>
 		</li>
 		<br />
 		<li>
-			<a href="http://localhost/passman/dashboard.php">Dashboard</a> (display passwords for websites)
+			<a href="/passman/dashboard.php">Dashboard</a> (display passwords for websites)
 		</li>
 		<br />
 		<li>
-			<a href="http://localhost/passman/notes.php">Notes</a> (notes/comments/announcements)
+			<a href="/passman/notes.php">Notes</a> (notes/comments/announcements)
 		</li>
 		<br />
 	</ul>
@@ -41,18 +41,18 @@
 	<br />
 	<ul>
 		<li>
-			Test <a href="http://localhost/passman/test_hash.php">hashing</a> functions in PHP (server side)
+			Test <a href="/passman/test_hash.php">hashing</a> functions in PHP (server side)
 		</li>
 		<br />
 		<li>
-			Test <a href="http://localhost/passman/test_encrypt.php">encrypting/decrypting</a> functions in PHP (server side)
+			Test <a href="/passman/test_encrypt.php">encrypting/decrypting</a> functions in PHP (server side)
 		</li>
 		<br />
 	</ul>
 
 	<br />
 	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Hacker's side (for using stealing cookies using XSS):
-	<a href="http://localhost/passman/xss">http://localhost/passman/xss</a>
+	<a href="/passman/xss">passman/xss</a>
 	<br />
 
 </body>