Install latest libpq with SNI support for Neon PostgreSQL

Dockerfile

@@ -4,8 +4,14 @@ FROM php:8.4-apache
 RUN a2dismod mpm_event mpm_worker || true \
     && a2enmod mpm_prefork rewrite headers
 
-# Install system dependencies + PHP extensions (PostgreSQL)
-RUN apt-get update && apt-get install -y \
+# Install PostgreSQL official repo for latest libpq with SNI support (required for Neon.tech)
+RUN apt-get update && apt-get install -y lsb-release gnupg2 \
+    && echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list \
+    && curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor -o /etc/apt/trusted.gpg.d/postgresql.gpg \
+    && apt-get update
+
+# Install system dependencies + PHP extensions (PostgreSQL with SNI support)
+RUN apt-get install -y \
     git curl libpng-dev libonig-dev libxml2-dev libpq-dev libzip-dev \
     libfreetype6-dev libjpeg-dev libicu-dev zip unzip \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \