bump PHP to 8.3

docker/Dockerfile

@@ -1,14 +1,14 @@
 FROM alpine:3.19.1
 
-RUN apk add --no-cache gettext curl nginx php81 php81-fpm php81-opcache php81-pdo php81-pdo_sqlite php81-openssl && \
+RUN apk add --no-cache gettext curl nginx php83 php83-fpm php83-opcache php83-pdo php83-pdo_sqlite php83-openssl && \
     mkdir /var/www/html
 
 COPY . /var/www/html
 
 RUN chmod -R 775 /var/www/html && \
     chown -R nginx:nginx /var/www/html
 
-COPY docker/php-fpm.conf /etc/php81/php-fpm.conf
+COPY docker/php-fpm.conf /etc/php83/php-fpm.conf
 COPY docker/nginx.conf /etc/nginx/nginx.conf
 COPY docker/entrypoint.sh /entrypoint.sh
 

docker/entrypoint.sh

@@ -28,7 +28,7 @@ rm -rf /var/www/html/docker
 # Start php-fpm and nginx
 chown -R nginx: /var/www/html/data/
 touch /var/www/html/data/index.php
-php-fpm81
+php-fpm83
 nginx -c /etc/nginx/nginx.conf
 
 # Ready to serve?
@@ -44,4 +44,4 @@ for i in 1 2 3; do
 done
 
 echo "Access logging is disabled for production use. Tailing error logs..."
-tail -f /var/log/nginx/error.log /var/log/php81/error.log
+tail -f /var/log/nginx/error.log /var/log/php83/error.log