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Merge pull request 'Docker update documentation, php, and modify gen_config.php' (#8) from docker_update_php into master

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Reviewed-on: https://git.lolcat.ca/lolcat/4get/pulls/8
This commit is contained in:
lolcat 2024-04-19 22:23:33 +00:00
commit 9e18327df6
4 changed files with 166 additions and 46 deletions
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4
Dockerfile
View file

@ -2,7 +2,7 @@ FROM alpine:latest
WORKDIR /var/www/html/4get
RUN apk update && apk upgrade
RUN apk add php apache2-ssl php82-fileinfo php82-openssl php82-iconv php82-common php82-dom php82-curl curl php82-pecl-apcu php82-apache2 imagemagick php82-pecl-imagick php-mbstring imagemagick-webp imagemagick-jpeg
RUN apk add php apache2-ssl php83-fileinfo php83-openssl php83-iconv php83-common php83-dom php83-curl curl php83-pecl-apcu php83-apache2 imagemagick php83-pecl-imagick php-mbstring imagemagick-webp imagemagick-jpeg
COPY ./docker/apache/ /etc/apache2/
COPY . .
@ -12,4 +12,6 @@ RUN chmod 777 /var/www/html/4get/icons
EXPOSE 80
EXPOSE 443
ENV FOURGET_PROTO=http
CMD ["./docker/docker-entrypoint.sh"]

19
docker/docker-entrypoint.sh
View file

@ -1,14 +1,23 @@
#!/bin/sh
set -e
if [ ! -f /etc/4get/certs/fullchain.pem ] || [ ! -f /etc/4get/certs/privkey.pem ]; then
echo "Using http configuration"
cp /etc/apache2/http.conf /etc/apache2/httpd.conf
else
# remove quotes from variable if present
FOURGET_PROTO="${FOURGET_PROTO%\"}"
FOURGET_PROTO="${FOURGET_PROTO#\"}"
# make lowercase
FOURGET_PROTO=`echo $FOURGET_PROTO | awk '{print tolower($0)}'`
if [ "$FOURGET_PROTO" = "https" ] || [ -f /etc/4get/certs/fullchain.pem ] || [ -f /etc/4get/certs/privkey.pem ]; then
echo "Using https configuration"
cp /etc/apache2/https.conf /etc/apache2/httpd.conf
else
echo "Using http configuration"
cp /etc/apache2/http.conf /etc/apache2/httpd.conf
fi
php82 ./docker/gen_config.php
php ./docker/gen_config.php
echo "4get is running"

31
docker/gen_config.php
View file

@ -3,19 +3,21 @@
include "/var/www/html/4get/data/config.php";
$refl = new ReflectionClass('config');
$config = ($refl->getConstants());
$from_config = ($refl->getConstants());
$from_env = array();
$env = getenv();
$fourget_env = array_filter($env, function($v, $k) {
return str_starts_with($k, "FOURGET");
}, ARRAY_FILTER_USE_BOTH);
foreach($fourget_env as $key => $val) {
$target_key = preg_replace('/^FOURGET_/', '', $key);
$config[$target_key] = trim($val, '\'"');
$from_env[$target_key] = trim($val, '\'"');
};
$merged_config = array_merge($from_config, $from_env);
function type_to_string($n) {
$type = gettype($n);
if ($type === "NULL") {
@ -52,26 +54,31 @@ function detect_captcha_dirs() {
}
$special_keys = ["CAPTCHA_DATASET", "INSTANCES"];
$special_keys = ["PROTO", "CAPTCHA_DATASET"];
$output = "<?php\n // This file was generated by docker/gen_config.php\n";
$output = $output . "class config {\n";
foreach(($config) as $key => $val){
foreach(($merged_config) as $key => $val){
if(!in_array($key, $special_keys)) {
$output = $output . "\tconst " . $key . " = " . type_to_string($val) . ";\n";
continue;
// conversion between arrays and comma separated env value.
// If original type of field is array and there is a type mismatch such as when a comma separted string is passed,
// then split on comma if string and not numeric
if(gettype($from_config[$key]) != gettype($val) && !is_numeric($val)) {
$data = gettype($val) === "string" ? explode(",", $val) : $val;
$output = $output . "\tconst " . $key . " = " . type_to_string($data) . ";\n";
} else {
$output = $output . "\tconst " . $key . " = " . type_to_string($val) . ";\n";
}
continue;
}
if($key === "CAPTCHA_DATASET") {
$output = $output . "\tconst " . $key . " = " . type_to_string(detect_captcha_dirs()) . ";\n";
}
if($key === "INSTANCES") {
$instances_list = gettype($val) === "string" ? explode(",", $val) : $val;
$output = $output . "\tconst " . $key . " = " . type_to_string($instances_list) . ";\n";
}
}
$output = $output . "}\n";

158
docs/docker.md
View file

@ -1,50 +1,152 @@
# Install guide for Docker
#### Install guide for Docker
When using docker container any environment variables prefixed with `FOURGET_` will be added to the generated config located at `/var/www/html/4get/data/config.php`
When lists of data is expected in [data/config.php](../data/config.php), such as `INSTANCES`, you can pass in a comma separated string via environment variable.
Example:
`FOURGET_INSTANCES="https://4get.ca,https://domain.tld"`
#### Special environment variables
| Name | value | Example |
| - | - | - |
| FOURGET_PROTO | "http" or "https" | "https" |
#### Important directories
| Mountpoint | Description |
| - | - |
| /etc/4get/certs | SSL certificate directory |
| /var/www/html/4get/banner | Custom Banners directory |
| /var/www/html/4get/data/captcha | Captcha dataset |
the certificate directory `/etc/4get/certs` expects files named `fullchain.pem` and `privkey.pem`
The captcha dataset should have a subdirectory for each category. In each category, images should be named from 1.png to X.png, and be 100x100 in size.
example directory structure:
```
docker run -d -p 80:80 -e FOURGET_SERVER_NAME="4get.ca" luuul/4get:latest
captcha/
birds/
1.png
2.png
3.png
anime/
1.png
2.png
```
For more information on configuration view [data/config.php](../data/config.php)
#### Usage
You can start 4get with
```
docker run -d -p 80:80 -e FOURGET_SERVER_NAME="4get.ca" -e FOURGET_PROTO="http" luuul/4get:latest
```
...Or with SSL:
```
docker run -d -p 443:443 -v /etc/letsencrypt/live/domain.tld:/etc/4get/certs -e FOURGET_SERVER_NAME="4get.ca" luuul/4get:latest
```
if the certificate files are not mounted to /etc/4get/certs the service listens to port 80
the certificate directory expects files named `fullchain.pem` and `privkey.pem`
# Install using Docker Compose
copy `docker-compose.yaml`
to serve custom banners create a directory named `banners` for example with images and mount to `/var/www/html/4get/banner`
to serve captcha images create a directory named `captchas` for example containing subfolders with images and mount to `/var/www/html/4get/data/captcha`
any environment variables prefixed with `FOURGET_` will be added to the generated config
the entrypoint will automatically set the `CAPTCHA_DATASET` value for you based on directory names and number of files in each
to set `INSTANCES` pass a comma separated string of urls (FOURGET_INSTANCES = "https://4get.ca,https://domain.tld")
```
docker run -d -p 443:443 -e FOURGET_SERVER_NAME="4get.ca" -e FOURGET_PROTO="https" -v /etc/letsencrypt/live/domain.tld:/etc/4get/certs luuul/4get:latest
```
#### With Docker Compose
Replace relevant values and start with `docker compose up -d`
##### HTTP
```
# docker-compose.yaml
version: "3.7"
services:
fourget:
image: luuul/4get:latest
restart: always
restart: unless-stopped
environment:
- FOURGET_VERSION=6
- FOURGET_PROTO=http
- FOURGET_SERVER_NAME=4get.ca
ports:
- "80:80"
```
##### HTTPS
```
# docker-compose.yaml
version: "3.7"
services:
fourget:
image: luuul/4get:latest
restart: unless-stopped
environment:
- FOURGET_VERSION=6
- FOURGET_PROTO=https
- FOURGET_SERVER_NAME=4get.ca
ports:
- "80:80"
- "443:443"
volumes:
- /etc/letsencrypt/live/domain.tld:/etc/4get/certs
- ./banners:/var/www/html/4get/banner
- ./captchas:/var/www/html/4get/data/captcha
```
Replace relevant values and start with `docker compose up -d`
##### Captcha Enabled
Set `FOURGET_BOT_PROTECTION=1` and mount a directory containing captcha files to `/var/www/html/4get/data/captcha`
```
# docker-compose.yaml
version: "3.7"
services:
fourget:
image: luuul/4get:latest
restart: unless-stopped
environment:
- FOURGET_VERSION=6
- FOURGET_PROTO=http
- FOURGET_SERVER_NAME=4get.ca
- FOURGET_BOT_PROTECTION=1
ports:
- "80:80"
volumes:
- ./captcha:/var/www/html/4get/data/captcha
```
##### Custom Banners
```
# docker-compose.yaml
version: "3.7"
services:
fourget:
image: luuul/4get:latest
restart: unless-stopped
environment:
- FOURGET_VERSION=6
- FOURGET_PROTO=http
- FOURGET_SERVER_NAME=4get.ca
ports:
- "80:80"
volumes:
- ./banners:/var/www/html/4get/banner
```