Add 'caddy-setup.md'

caddy-setup.md

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+Septemeber 6th
+
+I followed these instructions to setup Caddy: https://git.daplie.com/Daplie/sysadmin-docs/blob/master/Caddy-systemd.md
+
+Then I created a log directory: `sudo mkdir /var/log/caddy`
+
+Then I set permissions for it: `sudo chown -R www-data:www-data /var/log/caddy`
+
+I used this configuration for Caddy:
+
+```
+bereanbibleutah.org {
+
+log /var/log/caddy/berean.log
+
+proxy / 127.0.0.1:8080 {
+        fail_timeout 0s
+
+        header_upstream Host {host}
+        header_upstream X-Real-IP {remote}
+        header_upstream X-Forwarded-For {remote}
+        header_upstream X-Forwarded-Proto {scheme}
+        header_upstream X-Forwarded-Ssl on
+}
+
+}
+
+bereanbibleutah.com {
+
+redir https://bereanbibleutah.org{uri}
+
+}
+
+```
+
+Changes undone. Caddy doesn't work.