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@@ -0,0 +1,17 @@
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+<!DOCTYPE html>
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+<html>
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+ <head>
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+ <title>Missing upstream</title>
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap.min.css">
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+ </head>
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+ <body style='color:grey;text-align:center;font-family: Verdana, "Lucida Sans Unicode", sans-serif'>
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+ <p>Oops, <b>502</b> - we are probably preparing mailcow.</p>
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+ <h1 style="color:#999;font-size:48px">502</h1>
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+ <p>Please do not stop the stack, while we are preparing the database or do other preparations.</p>
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+ <p style="font-size:small"><b>What is happening?</b> - Nginx cannot connect to an upstream server.<br>
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+ This is fine, if mailcow was just
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+ installed or updated and can take a few minutes.<br>
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+ Please check the logs or contact support, if the error persists.</p>
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+ </body>
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+</html>
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andryyy