diff --git a/Dockerfile b/Dockerfile
index 56e197c830..b1936099e8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,174 +1,14 @@
 ###############################################################################
-# EspoCRM - Minimal Secure Build from Source
-# Multi-stage build with Alpine base images
+# EspoCRM - Development Server for Extensions
+# Based on official image, overlays custom code on each deploy
 ###############################################################################
 
-# Stage 1: Build frontend assets
-FROM node:20-alpine AS frontend
-WORKDIR /build
-COPY package.json package-lock.json ./
-RUN npm ci --ignore-scripts
-COPY . .
-RUN npx grunt offline
+FROM espocrm/espocrm:latest
 
-# Stage 2: Install PHP dependencies
-FROM composer:2 AS composer
-WORKDIR /build
-COPY composer.json composer.lock ./
-COPY dev/ ./dev/
-RUN composer install \
-    --no-dev \
-    --no-interaction \
-    --no-progress \
-    --prefer-dist \
-    --optimize-autoloader \
-    --ignore-platform-reqs
+# Copy custom extensions and modifications
+COPY custom/ /var/www/html/custom/
 
-# Stage 3: Minimal runtime
-FROM php:8.4-fpm-alpine
+# Ensure correct permissions for custom dir
+RUN chown -R www-data:www-data /var/www/html/custom
 
-RUN set -ex; \
-    apk add --no-cache \
-        nginx \
-        freetype \
-        libjpeg-turbo \
-        libwebp \
-        libpng \
-        libzip \
-        libpq \
-        libldap \
-        icu-libs \
-        unzip \
-    ; \
-    apk add --no-cache --virtual .build-deps \
-        freetype-dev \
-        libjpeg-turbo-dev \
-        libwebp-dev \
-        libpng-dev \
-        libzip-dev \
-        postgresql-dev \
-        openldap-dev \
-        icu-dev \
-    ; \
-    docker-php-ext-configure gd \
-        --with-freetype --with-jpeg --with-webp \
-    ; \
-    docker-php-ext-install -j$(nproc) \
-        gd pdo_mysql pdo_pgsql zip ldap \
-        exif pcntl posix bcmath intl \
-    ; \
-    apk del .build-deps; \
-    rm -rf /tmp/* /var/cache/apk/*
-
-# PHP hardened config
-RUN { \
-    echo 'expose_php = Off'; \
-    echo 'display_errors = Off'; \
-    echo 'display_startup_errors = Off'; \
-    echo 'log_errors = On'; \
-    echo 'memory_limit = 256M'; \
-    echo 'max_execution_time = 180'; \
-    echo 'max_input_time = 180'; \
-    echo 'post_max_size = 50M'; \
-    echo 'upload_max_filesize = 50M'; \
-    echo 'session.cookie_httponly = 1'; \
-    echo 'session.cookie_secure = 1'; \
-    echo 'session.use_strict_mode = 1'; \
-} > "$PHP_INI_DIR/conf.d/espocrm.ini"
-
-# Nginx config
-RUN cat > /etc/nginx/http.d/default.conf <<'NGINX'
-server {
-    listen 80;
-    server_name _;
-    root /var/www/html;
-    index index.php index.html;
-
-    server_tokens off;
-    add_header X-Content-Type-Options "nosniff" always;
-    add_header X-Frame-Options "SAMEORIGIN" always;
-    add_header X-XSS-Protection "1; mode=block" always;
-    add_header Referrer-Policy "same-origin" always;
-
-    client_max_body_size 50M;
-
-    location / {
-        try_files $uri $uri/ /index.php?$query_string;
-    }
-
-    location ~ \.php$ {
-        fastcgi_pass 127.0.0.1:9000;
-        fastcgi_index index.php;
-        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
-        include fastcgi_params;
-        fastcgi_read_timeout 180;
-    }
-
-    location ~ /\. { deny all; }
-    location ~ ^/(data|application|custom|vendor)/ { deny all; }
-    location = /data/config.php { deny all; }
-}
-NGINX
-
-WORKDIR /var/www/html
-
-# Copy application
-COPY --chown=82:82 . .
-COPY --chown=82:82 --from=composer /build/vendor ./vendor
-COPY --chown=82:82 --from=frontend /build/client ./client
-
-# Remove dev/build files
-RUN rm -rf node_modules .git .github tests dev \
-    Gruntfile.js package.json package-lock.json \
-    phpstan.neon phpunit.xml .idea .vscode \
-    .editorconfig .gitattributes .gitignore .npmrc \
-    diff.js lang.js po.js jsconfig.json
-
-# Set permissions
-RUN set -ex; \
-    find . -type d -exec chmod 755 {} +; \
-    find . -type f -exec chmod 644 {} +; \
-    chmod 754 bin/command 2>/dev/null || true; \
-    for dir in data custom client/custom; do \
-        mkdir -p "$dir"; \
-        chown -R 82:82 "$dir"; \
-    done
-
-# Entrypoint
-COPY --chmod=755 <<'EOF' /entrypoint.sh
-#!/bin/sh
-set -e
-
-if [ -n "$ESPOCRM_DATABASE_HOST" ] && [ ! -f "data/config.php" ]; then
-    echo "Waiting for database..."
-    i=0
-    while [ $i -lt 30 ]; do
-        if php -r "new PDO('mysql:host=${ESPOCRM_DATABASE_HOST};port=${ESPOCRM_DATABASE_PORT:-3306}','${ESPOCRM_DATABASE_USER:-root}','${ESPOCRM_DATABASE_PASSWORD}');" 2>/dev/null; then
-            echo "Database ready. Running installer..."
-            php bin/command install \
-                --databasePlatform="${ESPOCRM_DATABASE_PLATFORM:-Mysql}" \
-                --databaseHost="$ESPOCRM_DATABASE_HOST" \
-                --databasePort="${ESPOCRM_DATABASE_PORT:-3306}" \
-                --databaseName="${ESPOCRM_DATABASE_NAME:-espocrm}" \
-                --databaseUser="${ESPOCRM_DATABASE_USER:-root}" \
-                --databasePassword="$ESPOCRM_DATABASE_PASSWORD" \
-                --adminUsername="${ESPOCRM_ADMIN_USERNAME:-admin}" \
-                --adminPassword="${ESPOCRM_ADMIN_PASSWORD:-admin}" \
-                --siteUrl="${ESPOCRM_SITE_URL:-http://localhost}" \
-            && echo "Install complete." \
-            || echo "CLI install failed. Use web installer."
-            break
-        fi
-        i=$((i + 1))
-        sleep 2
-    done
-fi
-
-php-fpm -D
-exec nginx -g 'daemon off;'
-EOF
-
-VOLUME /var/www/html/data
 EXPOSE 80
-
-ENTRYPOINT ["/entrypoint.sh"]