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Run with DEBUG off and add HSTS and CSP headers

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DEBUG was on in production, so an error rendered a full traceback and the
DEBUG-only media route served /media/ixg-documents/... publicly, bypassing
the document permission checks. Set DJANGO_DEBUG=False in the env files
(untracked) and add friendly 500/404/403 templates.

With DEBUG off Django no longer serves /static/, so nginx does: the static
root moves to /var/www/ixg-platform-static (mounted into the app container)
because /root is not traversable by www-data.

HSTS (max-age 1y, includeSubDomains) is added to every HTTPS host, and a
pragmatic CSP to the app/ops/portal locations. 'unsafe-inline' is required
by the inline scripts/styles; self-hosting the CDN assets and nonces is a
follow-up.
This commit is contained in:
ixgadmin 2026-09-25 12:37:40 +00:00
parent 8c8e7908fd
commit 243d4eefcd
4 changed files with 68 additions and 1 deletions
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2
docker-compose.yml
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@ -46,7 +46,7 @@ services:
condition: service_healthy
volumes:
- .:/app
- ./staticfiles:/app/staticfiles
- /var/www/ixg-platform-static:/app/staticfiles
- ./media:/app/media
- ./documents:/data/ixg-documents
env_file:

22
templates/403.html Normal file
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@ -0,0 +1,22 @@
<!DOCTYPE html>
<html lang="en-gb">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Not allowed</title>
<style>
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: #f0fdf4; color: #1f2937; }
.wrap { max-width: 34rem; margin: 12vh auto; padding: 0 1.5rem; text-align: center; }
h1 { font-size: 1.5rem; color: #065f46; margin: 0 0 .75rem; }
p { line-height: 1.5; color: #475569; }
a { color: #065f46; }
</style>
</head>
<body>
<div class="wrap">
<h1>Not allowed</h1>
<p>Your account does not have access to that page.</p>
<p><a href="/">Return to the start</a></p>
</div>
</body>
</html>

22
templates/404.html Normal file
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@ -0,0 +1,22 @@
<!DOCTYPE html>
<html lang="en-gb">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Page not found</title>
<style>
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: #f0fdf4; color: #1f2937; }
.wrap { max-width: 34rem; margin: 12vh auto; padding: 0 1.5rem; text-align: center; }
h1 { font-size: 1.5rem; color: #065f46; margin: 0 0 .75rem; }
p { line-height: 1.5; color: #475569; }
a { color: #065f46; }
</style>
</head>
<body>
<div class="wrap">
<h1>Page not found</h1>
<p>The page you asked for is not here. Check the address, or return to the start.</p>
<p><a href="/">Return to the start</a></p>
</div>
</body>
</html>

23
templates/500.html Normal file
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@ -0,0 +1,23 @@
<!DOCTYPE html>
<html lang="en-gb">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Something went wrong</title>
<style>
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: #f0fdf4; color: #1f2937; }
.wrap { max-width: 34rem; margin: 12vh auto; padding: 0 1.5rem; text-align: center; }
h1 { font-size: 1.5rem; color: #065f46; margin: 0 0 .75rem; }
p { line-height: 1.5; color: #475569; }
a { color: #065f46; }
</style>
</head>
<body>
<div class="wrap">
<h1>Something went wrong</h1>
<p>The platform hit an unexpected error and could not finish that request.
It has been recorded. Please try again in a moment.</p>
<p><a href="/">Return to the start</a></p>
</div>
</body>
</html>