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Apache is acting as a frontend to another (Rails) server that is responsible for handling the requests. How can I make Apache return a static maintenance page when the backend is down (or unreachable in the past minutes)?

The current Apache configuration is basically

RewriteRule  ^/(.*)$   http://backend.example.net:9002/$1  [P,L]
ProxyPassReverse /     http://backend.example.net:9002/
gioele
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1 Answers1

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You can use a custom 503 error with ErrorDocument.

See: Apache reverse proxy error page when proxied server is down

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Sylvain Firmery
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