diff --git a/docker-compose.yml b/docker-compose.yml
index 0e946d5..0fb876e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -51,7 +51,7 @@ services:
     expose:
       - 8000
     environment:
-      SECRET_KEY: ${SECRET_KEY}
+     SECRET_KEY: ${SECRET_KEY}  # Loaded from .env file
       DEBUG: ${DEBUG:-False}
       ALLOWED_HOSTS: ${ALLOWED_HOSTS:-localhost,127.0.0.1}
       # Prefer passing through DATABASE_URL from .env to avoid duplication
@@ -112,9 +112,9 @@ services:
   # Caching - Redis
   redis:
     image: redis:7-alpine
-    command: redis-server --requirepass ${REDIS_PASSWORD}
-    environment:
-      REDIS_PASSWORD: ${REDIS_PASSWORD}
+    command: redis-server --requirepass ${REDIS_PASSWORD:-your_redis_password} # Set a password
+    ports:
+      - "6379:6379"
     networks:
       - techblog_network
     restart: always
diff --git a/requirements.txt b/requirements.txt
index dc0c69f..9132163 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,10 @@ flake8>=6.1,<7.0
 isort>=5.13,<6.0
 
 # Documentation
-Markdown>=3.5,<4.0
+markdown>=3.5,<4.0
+
+# Optional: Image processing
+# Pillow>=10.1,<11.0
 
 # Optional: API framework
 # djangorestframework>=3.14,<4.0
diff --git a/techblog_cms/settings.py b/techblog_cms/settings.py
index 87439fa..7c89841 100644
--- a/techblog_cms/settings.py
+++ b/techblog_cms/settings.py
@@ -154,8 +154,6 @@
 
 # Default primary key field type
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
- 
-
 # Password validation
 AUTH_PASSWORD_VALIDATORS = [
     {
@@ -302,4 +300,4 @@
     PASSWORD_HASHERS = [
         'django.contrib.auth.hashers.MD5PasswordHasher',
     ]
- 
+