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migrate from nginx buildpack
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ewdurbin committed Mar 6, 2024
1 parent f0d49c7 commit 54f0799
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Showing 5 changed files with 178 additions and 11 deletions.
1 change: 1 addition & 0 deletions Dockerfile.cabotage
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
FROM python:3.9-bullseye
COPY --from=ewdurbin/nginx-static:1.25.x /usr/bin/nginx /usr/bin/nginx
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
RUN mkdir /code
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70 changes: 70 additions & 0 deletions bin/start-nginx
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@@ -0,0 +1,70 @@
#!/usr/bin/env bash

psmgr=/tmp/nginx-buildpack-wait
rm -f $psmgr
mkfifo $psmgr

n=1
while getopts :f option ${@:1:2}
do
case "${option}"
in
f) FORCE=$OPTIND; n=$((n+1));;
esac
done

# Initialize log directory.
mkdir -p /tmp/logs/nginx
touch /tmp/logs/nginx/access.log /tmp/logs/nginx/error.log
echo 'buildpack=nginx at=logs-initialized'

# Start log redirection.
(
# Redirect nginx logs to stdout.
tail -qF -n 0 /tmp/logs/nginx/*.log
echo 'logs' >$psmgr
) &

# Start App Server
(
# Take the command passed to this bin and start it.
# E.g. bin/start-nginx bundle exec unicorn -c config/unicorn.rb
COMMAND=${@:$n}
echo "buildpack=nginx at=start-app cmd=$COMMAND"
$COMMAND
echo 'app' >$psmgr
) &

if [[ -z "$FORCE" ]]
then
FILE="/tmp/app-initialized"

# We block on app-initialized so that when nginx binds to $PORT
# are app is ready for traffic.
while [[ ! -f "$FILE" ]]
do
echo 'buildpack=nginx at=app-initialization'
sleep 1
done
echo 'buildpack=nginx at=app-initialized'
fi

# Start nginx
(
# We expect nginx to run in foreground.
# We also expect a socket to be at /tmp/nginx.socket.
echo 'buildpack=nginx at=nginx-start'
cd /tmp
/usr/bin/nginx -p . -c /code/config/nginx.conf
echo 'nginx' >$psmgr
) &

# This read will block the process waiting on a msg to be put into the fifo.
# If any of the processes defined above should exit,
# a msg will be put into the fifo causing the read operation
# to un-block. The process putting the msg into the fifo
# will use it's process name as a msg so that we can print the offending
# process to stdout.
read exit_process <$psmgr
echo "buildpack=nginx at=exit process=$exit_process"
exit 1
98 changes: 98 additions & 0 deletions config/mime.types
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@@ -0,0 +1,98 @@
types {
text/html html htm shtml;
text/css css;
text/xml xml;
image/gif gif;
image/jpeg jpeg jpg;
application/javascript js;
application/atom+xml atom;
application/rss+xml rss;

text/mathml mml;
text/plain txt;
text/vnd.sun.j2me.app-descriptor jad;
text/vnd.wap.wml wml;
text/x-component htc;

image/avif avif;
image/png png;
image/svg+xml svg svgz;
image/tiff tif tiff;
image/vnd.wap.wbmp wbmp;
image/webp webp;
image/x-icon ico;
image/x-jng jng;
image/x-ms-bmp bmp;

font/woff woff;
font/woff2 woff2;

application/java-archive jar war ear;
application/json json;
application/mac-binhex40 hqx;
application/msword doc;
application/pdf pdf;
application/postscript ps eps ai;
application/rtf rtf;
application/vnd.apple.mpegurl m3u8;
application/vnd.google-earth.kml+xml kml;
application/vnd.google-earth.kmz kmz;
application/vnd.ms-excel xls;
application/vnd.ms-fontobject eot;
application/vnd.ms-powerpoint ppt;
application/vnd.oasis.opendocument.graphics odg;
application/vnd.oasis.opendocument.presentation odp;
application/vnd.oasis.opendocument.spreadsheet ods;
application/vnd.oasis.opendocument.text odt;
application/vnd.openxmlformats-officedocument.presentationml.presentation
pptx;
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
xlsx;
application/vnd.openxmlformats-officedocument.wordprocessingml.document
docx;
application/vnd.wap.wmlc wmlc;
application/wasm wasm;
application/x-7z-compressed 7z;
application/x-cocoa cco;
application/x-java-archive-diff jardiff;
application/x-java-jnlp-file jnlp;
application/x-makeself run;
application/x-perl pl pm;
application/x-pilot prc pdb;
application/x-rar-compressed rar;
application/x-redhat-package-manager rpm;
application/x-sea sea;
application/x-shockwave-flash swf;
application/x-stuffit sit;
application/x-tcl tcl tk;
application/x-x509-ca-cert der pem crt;
application/x-xpinstall xpi;
application/xhtml+xml xhtml;
application/xspf+xml xspf;
application/zip zip;

application/octet-stream bin exe dll;
application/octet-stream deb;
application/octet-stream dmg;
application/octet-stream iso img;
application/octet-stream msi msp msm;

audio/midi mid midi kar;
audio/mpeg mp3;
audio/ogg ogg;
audio/x-m4a m4a;
audio/x-realaudio ra;

video/3gpp 3gpp 3gp;
video/mp2t ts;
video/mp4 mp4;
video/mpeg mpeg mpg;
video/quicktime mov;
video/webm webm;
video/x-flv flv;
video/x-m4v m4v;
video/x-mng mng;
video/x-ms-asf asx asf;
video/x-ms-wmv wmv;
video/x-msvideo avi;
}
18 changes: 8 additions & 10 deletions config/nginx.conf.erb → config/nginx.conf
Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
daemon off;
#Heroku dynos have at least 4 cores.
worker_processes <%= ENV['NGINX_WORKERS'] || 4 %>;
worker_processes 2;

events {
use epoll;
Expand All @@ -15,9 +14,8 @@ http {

server_tokens off;

log_format l2met 'measure#nginx.service=$request_time request_id=$http_x_request_id';
access_log logs/nginx/access.log l2met;
error_log logs/nginx/error.log;
access_log /tmp/logs/nginx/access.log;
error_log /tmp/logs/nginx/error.log;

include mime.types;
default_type application/octet-stream;
Expand All @@ -29,11 +27,11 @@ http {
client_max_body_size 32m;

upstream app_server {
server unix:/tmp/nginx.socket fail_timeout=0;
server unix:/var/run/cabotage/nginx.sock fail_timeout=0;
}

server {
listen <%= ENV["PORT"] %>;
listen unix:/var/run/cabotage/cabotage.sock;
server_name _;
keepalive_timeout 5;

Expand Down Expand Up @@ -317,17 +315,17 @@ http {
}

location /static/ {
alias /app/static-root/;
alias /code/static-root/;
add_header Cache-Control "max-age=604800, public"; # 604800 is 7 days
}

location /images/ {
alias /app/static-root/images/;
alias /code/static-root/images/;
add_header Cache-Control "max-age=604800, public"; # 604800 is 7 days
}

location /favicon.ico {
alias /app/static-root/favicon.ico;
alias /code/static-root/favicon.ico;
add_header Cache-Control "max-age=604800, public"; # 604800 is 7 days
}

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2 changes: 1 addition & 1 deletion gunicorn.conf
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
bind = 'unix:/var/run/cabotage/cabotage.sock'
bind = 'unix:/var/run/cabotage/nginx.sock'
backlog = 1024
preload_app = True
max_requests = 2048
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