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varnish config/docs (#342)

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Co-authored-by: Mark Felder <feld@feld.me>
Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk>
Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/342
This commit is contained in:
floatingghost 2022-12-05 13:39:27 +00:00
parent d55de5debf
commit c62e1e3ad5
7 changed files with 119 additions and 88 deletions
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104
docs/Pipfile.lock generated
View file

@ -19,7 +19,7 @@
"sha256:0d9c601124e5a6ba9712dbc60d9c53c21e34f5f641fe83002317394311bdce14",
"sha256:90c1a32f1d68f940488354e36370f6cca89f0f106db09518524c88d6ed83f382"
],
"markers": "python_version >= '3.6'",
"markers": "python_full_version >= '3.6.0'",
"version": "==2022.9.24"
},
"charset-normalizer": {
@ -27,7 +27,7 @@
"sha256:5a3d016c7c547f69d6f81fb0db9449ce888b418b5b9952cc5e6e66843e9dd845",
"sha256:83e9a75d1911279afd89352c68b45348559d1fc0506b054b346651b5e7fee29f"
],
"markers": "python_version >= '3.6'",
"markers": "python_full_version >= '3.6.0'",
"version": "==2.1.1"
},
"click": {
@ -66,15 +66,16 @@
"sha256:cbb516f16218e643d8e0a95b309f77eb118cb138d39a4f27851e6a63581db874",
"sha256:f5da449a6e1c989a4cea2631aa8ee67caa5a2ef855d551c88f9e309f4634c621"
],
"markers": "python_version >= '3.6'",
"markers": "python_full_version >= '3.6.0'",
"version": "==3.3.7"
},
"markdown-include": {
"hashes": [
"sha256:a06183b7c7225e73112737acdc6fe0ac0686c39457234eeb5ede23881fed001d"
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"sha256:d12fb51500c46334a53608635035c78b7d8ad7f772566f70b8a6a9b2ef2ddbf5"
],
"index": "pypi",
"version": "==0.7.0"
"version": "==0.8.0"
},
"markupsafe": {
"hashes": [
@ -127,7 +128,7 @@
"sha256:0096d52e9dad9939c3d975a774666af186eda617e6ca84df4c94dec30004f2a8",
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"markers": "python_version >= '3.6'",
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"version": "==1.3.4"
},
"mkdocs": {
@ -140,26 +141,26 @@
},
"mkdocs-material": {
"hashes": [
"sha256:143ea55843b3747b640e1110824d91e8a4c670352380e166e64959f9abe98862",
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"sha256:c907b4b052240a5778074a30a78f31a1f8ff82d7012356dc26898b97559f082e"
],
"index": "pypi",
"version": "==8.5.9"
"version": "==8.5.11"
},
"mkdocs-material-extensions": {
"hashes": [
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"version": "==1.1"
"version": "==1.1.1"
},
"packaging": {
"hashes": [
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"markers": "python_version >= '3.6'",
"markers": "python_full_version >= '3.6.0'",
"version": "==21.3"
},
"pygments": {
@ -167,16 +168,16 @@
"sha256:56a8508ae95f98e2b9bdf93a6be5ae3f7d8af858b43e02c5a2ff083726be40c1",
"sha256:f643f331ab57ba3c9d89212ee4a2dabc6e94f117cf4eefde99a0574720d14c42"
],
"markers": "python_version >= '3.6'",
"markers": "python_full_version >= '3.6.0'",
"version": "==2.13.0"
},
"pymdown-extensions": {
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"sha256:ac698c15265680db5eb13cd4342abfcde2079ac01e5486028f47a1b41547b859"
],
"markers": "python_version >= '3.7'",
"version": "==9.8"
"version": "==9.9"
},
"pyparsing": {
"hashes": [
@ -237,7 +238,7 @@
"sha256:e61ceaab6f49fb8bdfaa0f92c4b57bcfbea54c09277b1b4f7ac376bfb7a7c174",
"sha256:f84fbc98b019fef2ee9a1cb3ce93e3187a6df0b2538a651bfb890254ba9f90b5"
],
"markers": "python_version >= '3.6'",
"markers": "python_full_version >= '3.6.0'",
"version": "==6.0"
},
"pyyaml-env-tag": {
@ -245,7 +246,7 @@
"sha256:70092675bda14fdec33b31ba77e7543de9ddc88f2e5b99160396572d11525bdb",
"sha256:af31106dec8a4d68c60207c1886031cbf839b68aa7abccdb19868200532c2069"
],
"markers": "python_version >= '3.6'",
"markers": "python_full_version >= '3.6.0'",
"version": "==0.1"
},
"requests": {
@ -266,42 +267,45 @@
},
"urllib3": {
"hashes": [
"sha256:3fa96cf423e6987997fc326ae8df396db2a8b7c667747d47ddd8ecba91f4a74e",
"sha256:b930dd878d5a8afb066a637fbb35144fe7901e3b209d1cd4f524bd0e9deee997"
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],
"markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5' and python_version < '4'",
"version": "==1.26.12"
"markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
"version": "==1.26.13"
},
"watchdog": {
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"develop": {}

0
docs/docs/configuration/howto_ejabberd.md → docs/docs/configuration/integrations/howto_ejabberd.md
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0
docs/docs/configuration/howto_mongooseim.md → docs/docs/configuration/integrations/howto_mongooseim.md
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0
docs/docs/configuration/optimizing_beam.md → docs/docs/configuration/optimisation/optimizing_beam.md
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54
docs/docs/configuration/optimisation/varnish_cache.md Normal file
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@ -0,0 +1,54 @@
# Using a Varnish Cache
Varnish is a layer that sits between your web server and your backend application -
it does something similar to nginx caching, but tends to be optimised for speed over
all else.
To set up a varnish cache, first you'll need to install varnish.
This will vary by distribution, and since this is a rather advanced guide,
no copy-paste instructions are provided. It's probably in your distribution's
package manager, though. `apt-get install varnish` and so on.
Once you have varnish installed, you'll need to configure it to work with akkoma.
Copy the configuration file to the varnish configuration directory:
cp installation/akkoma.vcl /etc/varnish/akkoma.vcl
You may want to check if varnish added a `default.vcl` file to the same directory,
if so you can just remove it without issue.
Then boot up varnish, probably `systemctl start varnish` or `service varnish start`.
Now you should be able to `curl -D- localhost:6081` and see a bunch of
akkoma javascript.
Once that's out of the way, we can point our webserver at varnish. This
=== "Nginx"
upstream phoenix {
server 127.0.0.1:6081 max_fails=5 fail_timeout=60s;
}
=== "Caddy"
reverse_proxy 127.0.0.1:6081
Now hopefully it all works
If you get a HTTPS redirect loop, you may need to remove this part of the VCL
```vcl
if (std.port(server.ip) != 443) {
set req.http.X-Forwarded-Proto = "http";
set req.http.x-redir = "https://" + req.http.host + req.url;
return (synth(750, ""));
} else {
set req.http.X-Forwarded-Proto = "https";
}
```
This will allow your webserver alone to handle redirects.

8
docs/mkdocs.yml
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@ -7,7 +7,10 @@ theme:
font: false
logo: 'images/akko_badday.png'
features:
- tabs
- navigation.tabs
- toc.follow
- navigation.instant
- navigation.sections
palette:
primary: 'deep purple'
accent: 'blue grey'
@ -31,7 +34,8 @@ markdown_extensions:
- pymdownx.tasklist:
custom_checkbox: true
- pymdownx.superfences
- pymdownx.tabbed
- pymdownx.tabbed:
alternate_style: true
- pymdownx.details
- markdown_include.include:
base_path: docs

33
installation/akkoma.vcl
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@ -1,4 +1,5 @@
# Recommended varnishncsa logging format: '%h %l %u %t "%m %{X-Forwarded-Proto}i://%{Host}i%U%q %H" %s %b "%{Referer}i" "%{User-agent}i"'
# Please use Varnish 7.0+ for proper Range Requests / Chunked encoding support
vcl 4.1;
import std;
@ -22,11 +23,6 @@ sub vcl_recv {
set req.http.X-Forwarded-Proto = "https";
}
# CHUNKED SUPPORT
if (req.http.Range ~ "bytes=") {
set req.http.x-range = req.http.Range;
}
# Pipe if WebSockets request is coming through
if (req.http.upgrade ~ "(?i)websocket") {
return (pipe);
@ -53,12 +49,6 @@ sub vcl_backend_response {
return (retry);
}
# CHUNKED SUPPORT
if (bereq.http.x-range ~ "bytes=" && beresp.status == 206) {
set beresp.ttl = 10m;
set beresp.http.CR = beresp.http.content-range;
}
# Bypass cache for large files
# 50000000 ~ 50MB
if (std.integer(beresp.http.content-length, 0) > 50000000) {
@ -106,25 +96,12 @@ sub vcl_pipe {
}
}
sub vcl_hash {
# CHUNKED SUPPORT
if (req.http.x-range ~ "bytes=") {
hash_data(req.http.x-range);
unset req.http.Range;
}
}
sub vcl_backend_fetch {
# Be more lenient for slow servers on the fediverse
if (bereq.url ~ "^/proxy/") {
set bereq.first_byte_timeout = 300s;
}
# CHUNKED SUPPORT
if (bereq.http.x-range) {
set bereq.http.Range = bereq.http.x-range;
}
if (bereq.retries == 0) {
# Clean up the X-Varnish-Backend-503 flag that is used internally
# to mark broken backend responses that should be retried.
@ -143,14 +120,6 @@ sub vcl_backend_fetch {
}
}
sub vcl_deliver {
# CHUNKED SUPPORT
if (resp.http.CR) {
set resp.http.Content-Range = resp.http.CR;
unset resp.http.CR;
}
}
sub vcl_backend_error {
# Retry broken backend responses.
set bereq.http.X-Varnish-Backend-503 = "1";