Update Dockerfile

Dockerfile

@@ -1,11 +1,15 @@
 FROM php:8.2-apache
 
-# 1. Add older Debian repo specifically for the missing IMAP library
-# This is necessary because libc-client-dev was removed in newer Debian versions
+# 1) Add bullseye repo ONLY to fetch libc-client-dev (for IMAP)
 RUN echo "deb http://deb.debian.org/debian bullseye main" > /etc/apt/sources.list.d/bullseye.list
 
-# 2. Install dependencies (including the older libc-client-dev)
-# + Added GD build deps: libjpeg62-turbo-dev, libfreetype6-dev, libwebp-dev
+# 2) Pin bullseye so it won't "downgrade" other packages (like freetype)
+RUN printf "Package: *\nPin: release n=bullseye\nPin-Priority: 100\n\nPackage: libc-client-dev\nPin: release n=bullseye\nPin-Priority: 990\n" \
+  > /etc/apt/preferences.d/pin-bullseye
+
+# 3) Install dependencies
+#    - GD deps from base distro (no version conflict)
+#    - libc-client-dev explicitly from bullseye
 RUN apt-get update && apt-get install -y \
     libpng-dev \
     libjpeg62-turbo-dev \
@@ -18,32 +22,32 @@ RUN apt-get update && apt-get install -y \
     libkrb5-dev \
     libssl-dev \
     libldap2-dev \
-    libc-client-dev \
+    -t bullseye libc-client-dev \
     && rm -rf /var/lib/apt/lists/* \
-    && rm /etc/apt/sources.list.d/bullseye.list
+    && rm -f /etc/apt/sources.list.d/bullseye.list \
+    && rm -f /etc/apt/preferences.d/pin-bullseye
 
-# 3. Configure and Install IMAP
+# 4) Configure & install IMAP
 RUN docker-php-ext-configure imap --with-kerberos --with-imap-ssl \
     && docker-php-ext-install imap
 
-# 4. Install PHP extensions: GD + PDO/MySQL
-# (Removed duplicate mysqli install)
+# 5) Install GD + MySQL extensions (remove duplicate mysqli line)
 RUN docker-php-ext-configure gd --with-freetype --with-jpeg --with-webp \
     && docker-php-ext-install -j$(nproc) gd pdo pdo_mysql mysqli \
     && docker-php-ext-enable mysqli
 
-# 5. Enable Apache Rewrite and set port
+# 6) Enable Apache Rewrite and set port
 RUN a2enmod rewrite
 RUN sed -i 's/80/7860/g' /etc/apache2/ports.conf /etc/apache2/sites-available/000-default.conf
 
-# 6. Setup files
+# 7) Setup files
 WORKDIR /var/www/html
 COPY . .
 
-# 7. Set permissions
+# 8) Set permissions
 RUN chown -R www-data:www-data /var/www/html/bank-update || true
 
-# 8. Link the Apache config
+# 9) Link the Apache config
 COPY apache-config.conf /etc/apache2/sites-available/000-default.conf
 
 CMD ["apache2-foreground"]