Refactor NGINX configuration: add build dependencies, enhance security headers, and modularize configuration files

nginx/Dockerfile

@@ -1,8 +1,37 @@
 FROM nginx:1.27-alpine-slim
 
-# Install curl for healthcheck
-RUN apk add --no-cache curl
+# Install build dependencies
+RUN apk add --no-cache \
+    curl \
+    gcc \
+    libc-dev \
+    make \
+    openssl-dev \
+    pcre-dev \
+    zlib-dev \
+    linux-headers \
+    wget \
+    git
 
-COPY ./nginx.conf /etc/nginx/conf.d/default.conf
+# Get NGINX source and headers-more module
+RUN cd /tmp && \
+    wget http://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz && \
+    tar zxf nginx-${NGINX_VERSION}.tar.gz && \
+    git clone https://github.com/openresty/headers-more-nginx-module.git && \
+    cd nginx-${NGINX_VERSION} && \
+    ./configure \
+        --with-compat \
+        --add-dynamic-module=../headers-more-nginx-module && \
+    make modules && \
+    cp objs/ngx_http_headers_more_filter_module.so /etc/nginx/modules/ && \
+    cd / && \
+    rm -rf /tmp/*
 
-HEALTHCHECK --interval=1m30s --timeout=10s --start-period=40s --retries=3 CMD curl -so /dev/null http://localhost/ || exit 1
+# Clean up build dependencies
+RUN apk del gcc libc-dev make openssl-dev pcre-dev zlib-dev linux-headers wget git
+
+# Copy configuration
+COPY ./nginx.conf /etc/nginx/nginx.conf
+COPY ./default.conf /etc/nginx/conf.d/default.conf
+
+HEALTHCHECK --interval=1m30s --timeout=10s --start-period=40s --retries=3 CMD curl -so /dev/null http://localhost/ || exit 1

nginx/default.conf

@@ -0,0 +1,132 @@
+upstream client {
+    server frontend;
+    server django;
+    server redis-commander;
+    server rabbitmq;
+}
+
+server {
+    # Remove server information headers
+    server_tokens off;
+
+    more_clear_headers Server;
+    more_clear_headers X-Powered-By;
+    more_clear_headers X-Runtime;
+    more_clear_headers X-Version;
+    more_clear_headers X-AspNet-Version;
+    more_clear_headers X-AspNetMvc-Version;
+
+    # Add security headers
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-Frame-Options "SAMEORIGIN";
+    # add_header X-Frame-Options "DENY" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+
+    proxy_hide_header X-Powered-By;
+    proxy_hide_header Server;
+    proxy_hide_header X-Runtime;
+    proxy_hide_header X-Version;
+    proxy_hide_header Content-Security-Policy;
+    # Add Content Security Policy headers
+    add_header Content-Security-Policy "
+        default-src 'self'; 
+        script-src 'self' 'unsafe-inline' 'unsafe-eval' 
+            https://cdn.jsdelivr.net; 
+        style-src 'self' 'unsafe-inline' 
+            https://cdn.jsdelivr.net 
+            https://fonts.googleapis.com; 
+        img-src 'self' data: 
+            https://cdn.jsdelivr.net
+            https://avatars.mds.yandex.net; 
+        font-src 'self' data:
+            https://fonts.gstatic.com; 
+        connect-src 'self' 
+            ws://localhost:3000/ws
+            wss://localhost:3000/ws 
+            ws://localhost:3000/socket 
+            wss://localhost:3000/socket 
+            http://127.0.0.1:8000 
+            https://127.0.0.1:8000; 
+        frame-ancestors 'none'; 
+        base-uri 'self'; 
+        form-action 'self';
+        object-src 'none';
+        media-src 'self';
+    " always;
+
+    # Block access to metadata
+    location ~ ^/latest/meta-data/ {
+        deny all;
+        return 404;
+    }
+
+    # Block direct access to AWS metadata IP
+    location ~ ^/169\.254\.169\.254 {
+        deny all;
+        return 404;
+    }
+
+    listen 80;
+
+    location / {
+        # Add security headers
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $http_host;
+
+        # Prevent proxy redirects to metadata
+        proxy_redirect off;
+
+        proxy_pass http://frontend:3000/;
+    }
+
+    location /api/ {
+        # Add security headers
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $http_host;
+
+        # Prevent proxy redirects to metadata
+        proxy_redirect off;
+
+        proxy_pass http://django:8000/api/;
+    }
+
+    location /static-dj/ {
+        # Add security headers
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $http_host;
+
+        # Prevent proxy redirects to metadata
+        proxy_redirect off;
+
+        proxy_pass http://django:8000/static-dj/;
+    }
+
+    location /redis-commander/ {
+        # Add security headers
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $http_host;
+
+        # Prevent proxy redirects to metadata
+        proxy_redirect off;
+
+        proxy_pass http://redis-commander:8081/;
+    }
+
+    location /rabbitmq/ {
+        # Add security headers
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $http_host;
+
+        # Prevent proxy redirects to metadata
+        proxy_redirect off;
+
+        proxy_pass http://rabbitmq:15672/;
+    }
+}

nginx/nginx.conf

@@ -1,122 +1,13 @@
-upstream client {
-    server frontend;
-    server django;
-    server redis-commander;
-    server rabbitmq;
-}
-
-server {
-    # Remove server information headers
-    server_tokens off;
-    proxy_hide_header X-Powered-By;
-
-    # Add security headers
-    add_header X-Content-Type-Options "nosniff" always;
-    add_header X-Frame-Options "SAMEORIGIN";
-    # add_header X-Frame-Options "DENY" always;
-    add_header X-XSS-Protection "1; mode=block" always;
-    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
-    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
-
-    proxy_hide_header Content-Security-Policy;
-    # Add Content Security Policy headers
-    add_header Content-Security-Policy "
-        default-src 'self'; 
-        script-src 'self' 'unsafe-inline' 'unsafe-eval' 
-            https://cdn.jsdelivr.net; 
-        style-src 'self' 'unsafe-inline' 
-            https://cdn.jsdelivr.net 
-            https://fonts.googleapis.com; 
-        img-src 'self' data: 
-            https://cdn.jsdelivr.net
-            https://avatars.mds.yandex.net; 
-        font-src 'self' data:
-            https://fonts.gstatic.com; 
-        connect-src 'self' 
-            ws://localhost:3000/ws
-            wss://localhost:3000/ws 
-            ws://localhost:3000/socket 
-            wss://localhost:3000/socket 
-            http://127.0.0.1:8000 
-            https://127.0.0.1:8000; 
-        frame-ancestors 'none'; 
-        base-uri 'self'; 
-        form-action 'self';
-        object-src 'none';
-        media-src 'self';
-    " always;
-
-    # Block access to metadata
-    location ~ ^/latest/meta-data/ {
-        deny all;
-        return 404;
-    }
-
-    # Block direct access to AWS metadata IP
-    location ~ ^/169\.254\.169\.254 {
-        deny all;
-        return 404;
-    }
-
-    listen 80;
+user nginx;
+worker_processes auto;
+load_module /etc/nginx/modules/ngx_http_headers_more_filter_module.so;
 
-    location / {
-        # Add security headers
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header Host $http_host;
-
-        # Prevent proxy redirects to metadata
-        proxy_redirect off;
-
-        proxy_pass http://frontend:3000/;
-    }
-
-    location /api/ {
-        # Add security headers
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header Host $http_host;
-
-        # Prevent proxy redirects to metadata
-        proxy_redirect off;
-
-        proxy_pass http://django:8000/api/;
-    }
-
-    location /static-dj/ {
-        # Add security headers
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header Host $http_host;
-
-        # Prevent proxy redirects to metadata
-        proxy_redirect off;
-
-        proxy_pass http://django:8000/static-dj/;
-    }
-
-    location /redis-commander/ {
-        # Add security headers
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header Host $http_host;
-
-        # Prevent proxy redirects to metadata
-        proxy_redirect off;
-
-        proxy_pass http://redis-commander:8081/;
-    }
+events {
+    worker_connections 1024;
+}
 
-    location /rabbitmq/ {
-        # Add security headers
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header Host $http_host;
-
-        # Prevent proxy redirects to metadata
-        proxy_redirect off;
-
-        proxy_pass http://rabbitmq:15672/;
-    }
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+    include /etc/nginx/conf.d/*.conf;
 }