Fix: update Dockerfile to use local Nexus APT repositories

Dockerfile

@@ -19,19 +19,23 @@ ENV HTTPS_PROXY=${https_proxy}
 
 # =========================================================
 # System dependencies & Extensions
+# Redirect APT Repositories to Local Nexus (10.15.39.186)
 # =========================================================
 
-RUN apt-get update -o Acquire::Retries=5 && apt-get install -y --no-install-recommends --fix-missing \
-    nginx \
-    vim \
-    wget \
-    libpng-dev \
-    libjpeg-dev \
-    libfreetype6-dev \
-    libzip-dev \
-    libaio1 \
-    libaio-dev \
-    unzip \
+RUN sed -i 's|http://deb.debian.org/debian|http://10.15.39.186:8081/repository/debian-proxy/|g' /etc/apt/sources.list \
+    && sed -i 's|http://security.debian.org/debian-security|http://10.15.39.186:8081/repository/debian-security-proxy/|g' /etc/apt/sources.list \
+    && apt-get update -o Acquire::Retries=5 \
+    && apt-get install -y --no-install-recommends --fix-missing \
+        nginx \
+        vim \
+        wget \
+        libpng-dev \
+        libjpeg-dev \
+        libfreetype6-dev \
+        libzip-dev \
+        libaio1 \
+        libaio-dev \
+        unzip \
     && docker-php-ext-configure gd \
         --with-freetype \
         --with-jpeg \
@@ -56,7 +60,7 @@ RUN pear config-set http_proxy "http://10.15.3.20:80" || true
 
 WORKDIR /var/www
 
-# Copy file composer terlebih dahulu agar Docker Cache aktif
+# Copy composer files terlebih dahulu agar Docker Caching layer aktif
 COPY composer.json composer.lock ./
 
 RUN composer install \
@@ -66,7 +70,7 @@ RUN composer install \
     --no-scripts \
     --optimize-autoloader
 
-# Copy seluruh source code setelah composer install selesai
+# Copy seluruh source code project
 COPY --chown=www-data:www-data . .
 
 # =========================================================