Dockerfile

@@ -1,10 +1,12 @@
-FROM alpine:3.14
+FROM ubuntu:23.04
 
 # Install dependencies
-RUN apk update && \
-    apk upgrade && \
-    apk add --no-cache nginx php8.1 php8.1-fpm php8.1-gd php8.1-imagick && \
-    rm -rf /var/cache/apk/*
+RUN apt update
+RUN DEBIAN_FRONTEND=noninteractive \
+apt install nginx php8.1 php8.1-fpm php8.1-gd php8.1-imagick -y
+
+# Clean up
+RUN apt clean
 
 # Set up nginx
 COPY ./docker/nginx.conf /etc/nginx/nginx.conf

docker/start.sh

@@ -1,6 +1,4 @@
-#!/bin/sh
-
-if [ -z "$MAX_UPLOAD_SIZE" ]; then
+if [[ -z "${MAX_UPLOAD_SIZE}" ]]; then
   MAX_UPLOAD_SIZE="8M"  # Default fallback value
 fi
 
@@ -13,8 +11,8 @@ else
 fi
 
 # Letting php know that we are running in docker
-echo "env[DOCKER] = true" >> /etc/php8/php-fpm.d/www.conf
-echo "clear_env = no" >> /etc/php8/php-fpm.d/www.conf
+echo "env[DOCKER] = true" >> /etc/php/8.1/fpm/pool.d/www.conf
+echo "clear_env = no" >> /etc/php/8.1/fpm/pool.d/www.conf
 
 echo "Setting permissions for upload script"
 chmod 777 /var/www/html/upload.php
@@ -22,15 +20,16 @@ chmod 777 /var/www/html/upload.php
 echo "Setting max upload size to ${MAX_UPLOAD_SIZE}"
 
 # Set max upload size for php
-sed -i "s/^upload_max_filesize = .*/upload_max_filesize = ${MAX_UPLOAD_SIZE}/" /etc/php8/php.ini
-sed -i "s/^post_max_size = .*/post_max_size = ${MAX_UPLOAD_SIZE}/" /etc/php8/php.ini
+sed -i "s/^upload_max_filesize = .*/upload_max_filesize = ${MAX_UPLOAD_SIZE}/" /etc/php/8.1/fpm/php.ini
+sed -i "s/^post_max_size = .*/post_max_size = ${MAX_UPLOAD_SIZE}/" /etc/php/8.1/fpm/php.ini
 
 # Set max upload size for nginx
 sed -i "s/client_max_body_size 500M;/client_max_body_size ${MAX_UPLOAD_SIZE};/" /etc/nginx/nginx.conf
 
 function start() {
   echo "Starting PHP & Nginx"
-  php-fpm8 &&
+  /etc/init.d/php8.1-fpm start &&
+  chmod 777 /run/php/php8.1-fpm.sock &&
   nginx -g 'daemon off;'
 }