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[add] add custom error page if upstream fails

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Pascal
2020-06-06 18:13:13 -04:00
parent 9378ae4a00
commit 55823e6cfa
22 changed files with 625 additions and 3 deletions
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36
proxy/files/entrypoint.sh
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@@ -151,6 +151,8 @@ function gen_server_config()
server {
listen 8443 ssl;
error_page 502 503 504 @error;
# prevent redirecting to 8080 port
# (e.g. when trailing slash is missed)
port_in_redirect off;
@@ -159,13 +161,13 @@ function gen_server_config()
ssl_certificate /service/ssl/$root_domain/fullchain.pem;
ssl_certificate_key /service/ssl/$root_domain/privkey.pem;
set \$upstream $server;
location / {
# allow for upstream to be offline by setting
# docker dns resolver and a variable for the server
resolver 127.0.0.11 valid=30s;
set \$web_$rng_number $server;
proxy_pass http://\$web_$rng_number:8080;
proxy_pass http://\$upstream:8080;
proxy_redirect off;
proxy_set_header Host \$host;
@@ -173,6 +175,36 @@ function gen_server_config()
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Host \$server_name;
}
location /0x90 {
ssi on;
error_page 502 503 504 404 @error;
# 403 needs to be on its own, get default 503 otherwise
error_page 403 /0x90/errors/error_403.html;
# set alias (instead of root) to not append /0x90 to path
include /etc/nginx/mime.types;
alias /service/html;
}
location ~/0x90/?$ { error_page 404 @error; deny all; return 404; }
location ~/0x90/css/?$ { error_page 404 @error; deny all; return 404; }
location ~/0x90/fonts/?$ { error_page 404 @error; deny all; return 404; }
location /0x90/errors { error_page 404 @error; deny all; return 404; }
location /0x90/check { error_page 404 @error; deny all; return 404; }
location @error {
root /service/html;
internal;
# replace variables in html
ssi on;
try_files
/errors/error_\$status.html
/errors/error_\${status_prefix}x.html
/errors/error_\${status_category}xx.html
/errors/error.html;
}
}
"