fix: use php-extension-installer for PHP 8.4 IMAP PECL compilation

Dockerfile

@@ -1,31 +1,22 @@
 FROM php:8.4-fpm-alpine
 
+# Install extension installer
+COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/local/bin/
+
 # Install system dependencies
 RUN apk add --no-cache \
     git \
     curl \
-    libpng-dev \
-    oniguruma-dev \
-    libxml2-dev \
     zip \
     unzip \
     nginx \
     supervisor \
-    imap-dev \
-    krb5-dev \
-    linux-headers \
     nodejs \
     npm \
-    bash \
-    icu-dev \
-    $PHPIZE_DEPS
+    bash
 
-# Configure and install PHP extensions
-RUN docker-php-ext-configure imap --with-kerberos --with-imap-ssl \
-    && docker-php-ext-install pdo_mysql mbstring exif pcntl bcmath gd intl imap \
-    && pecl install redis \
-    && docker-php-ext-enable redis \
-    && apk del $PHPIZE_DEPS
+# Install PHP extensions
+RUN install-php-extensions pdo_mysql mbstring exif pcntl bcmath gd intl imap redis
 
 # Install Composer
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer