Greg/MyFavStuff5
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feat: add security headers for Nginx, Caddy and Traefik with debug header

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Greg 2025-07-18 23:20:49 +02:00
parent e2aeca1de7
commit c06e076e56
2 changed files with 22 additions and 0 deletions
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19
Dockerfile
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@ -54,5 +54,24 @@ COPY nginx.conf /etc/nginx/conf.d/default.conf
# Expose port 80
EXPOSE 80
# Security Headers Labels for Coolify Reverse Proxy
LABEL caddy.header.Content-Security-Policy="default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'; connect-src 'self'; frame-ancestors 'none';"
LABEL caddy.header.Strict-Transport-Security="max-age=31536000; includeSubDomains; preload"
LABEL caddy.header.X-Frame-Options="DENY"
LABEL caddy.header.X-Content-Type-Options="nosniff"
LABEL caddy.header.Referrer-Policy="strict-origin-when-cross-origin"
LABEL caddy.header.X-XSS-Protection="1; mode=block"
LABEL caddy.header.Permissions-Policy="geolocation=(), microphone=(), camera=()"
# Alternative Traefik labels (if switching to Traefik)
LABEL traefik.http.middlewares.security-headers.headers.customrequestheaders.Content-Security-Policy="default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'; connect-src 'self'; frame-ancestors 'none';"
LABEL traefik.http.middlewares.security-headers.headers.customrequestheaders.Strict-Transport-Security="max-age=31536000; includeSubDomains; preload"
LABEL traefik.http.middlewares.security-headers.headers.customrequestheaders.X-Frame-Options="DENY"
LABEL traefik.http.middlewares.security-headers.headers.customrequestheaders.X-Content-Type-Options="nosniff"
LABEL traefik.http.middlewares.security-headers.headers.customrequestheaders.Referrer-Policy="strict-origin-when-cross-origin"
LABEL traefik.http.middlewares.security-headers.headers.customrequestheaders.X-XSS-Protection="1; mode=block"
LABEL traefik.http.middlewares.security-headers.headers.customrequestheaders.Permissions-Policy="geolocation=(), microphone=(), camera=()"
LABEL traefik.http.routers.myfavstuff5.middlewares="security-headers"
# Start Nginx in foreground
CMD ["nginx", "-g", "daemon off;"]

3
nginx.conf
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@ -5,6 +5,9 @@ server {
root /usr/share/nginx/html;
index index.html index.htm;
# Debug header to verify our nginx config is loaded
add_header X-Custom-Config "MyFavStuff5-Nginx-Active" always;
# Security Headers
# Content Security Policy (CSP) - Prevents XSS attacks
add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'; connect-src 'self'; frame-ancestors 'none';" always;