diff --git a/README.md b/README.md
index a7a11e0..6116fca 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ The container doesn't automatically run `drush site-install` because we want it
 
 `docker-compose exec php composer run-script install:with-mysql`
 
+Environment configuration used by the install script is described in `.env`.
+
 # Persistence
 
 Persistent state is stored in a database volume named `data`. You can destroy and recreate the containers as much as you like and your site will be preserved until you also destroy the volume.
diff --git a/database/Dockerfile b/database/Dockerfile
index 80f3d90..8e1fa26 100644
--- a/database/Dockerfile
+++ b/database/Dockerfile
@@ -1,6 +1,6 @@
 FROM amazeeio/centos:7
 
-ENV MARIADB_VERSION=10.1
+ENV MARIADB_VERSION=10.3
 
 RUN { \
       echo '[mariadb]'; \
diff --git a/docker-compose.yml b/docker-compose.yml
index 377f430..2d5c3eb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,8 +3,7 @@ services:
   nginx:
     build: ./nginx
     ports:
-      - "80:80"
-      - "443:443"
+      - "80:8080"
     networks:
       - contenta
     volumes:
@@ -15,27 +14,26 @@ services:
       - php
   php:
     build: ./php
-    ports:
-      - "9000:9000"
     volumes:
       - ./www:/var/www:cached
     env_file:
       - .env
     networks:
       - contenta
+      - contenta_internal
+    depends_on: [database]
   database:
     build: ./database
-    ports:
-      - "3306:3306"
     volumes:
       - data:/var/lib/mysql
     env_file:
       - .env
     networks:
-      - contenta
+      - contenta_internal
 
 volumes:
   data:
 
 networks:
   contenta:
+  contenta_internal:
diff --git a/nginx/Dockerfile b/nginx/Dockerfile
index 9eb2d1c..05ee4b5 100644
--- a/nginx/Dockerfile
+++ b/nginx/Dockerfile
@@ -1,5 +1,15 @@
-FROM amazeeio/centos7-nginx:1.10
+FROM amazeeio/centos:7
 
-COPY conf/drupal.conf /etc/nginx/sites/drupal.conf
+RUN yum install -y epel-release \
+    yum check-update \
+    yum update -y
+RUN yum install -y nginx \
+    yum clean all
+
+EXPOSE 8080
+COPY conf/drupal.conf /etc/nginx/conf.d/default.conf
 
 RUN fix-permissions /etc/nginx
+RUN curl -sLo /usr/local/bin/ep https://github.com/kreuzwerker/envplate/releases/download/v0.0.8/ep-linux && chmod +x /usr/local/bin/ep
+
+CMD [ "/usr/local/bin/ep", "-v", "/etc/nginx/conf.d/default.conf", "--", "/usr/sbin/nginx", "-g", "daemon off;" ]
diff --git a/nginx/conf/drupal.conf b/nginx/conf/drupal.conf
index ea5cd29..b29e98f 100644
--- a/nginx/conf/drupal.conf
+++ b/nginx/conf/drupal.conf
@@ -1,5 +1,6 @@
 server {
-  listen 80;
+  listen 8080 default_server;
+  listen [::]:8080 default_server;
 
   fastcgi_keep_conn on;
   root /var/www/web;
diff --git a/php/Dockerfile b/php/Dockerfile
index 8d5bb3a..2056b10 100644
--- a/php/Dockerfile
+++ b/php/Dockerfile
@@ -4,7 +4,7 @@ FROM amazeeio/centos:7
 RUN yum install -y epel-release \
         http://rpms.remirepo.net/enterprise/remi-release-7.rpm  \
         yum-utils && \
-    yum-config-manager --enable remi-php71 && \
+    yum-config-manager --enable remi-php74 && \
     yum update -y && \
     yum install -y \
         php-bcmath \
@@ -22,6 +22,7 @@ RUN yum install -y epel-release \
         php-opcache \
         php-pcntl \
         php-pdo \
+    php-zip \
         php-pecl-apcu \
         php-pecl-apcu-bc \
         php-pecl-geoip \
@@ -39,7 +40,7 @@ RUN yum install -y epel-release \
     yum clean all
 
 # Install Composer
-ENV COMPOSER_VERSION 1.9.0
+ENV COMPOSER_VERSION 1.10.20
 RUN	curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer --version=${COMPOSER_VERSION} && \
   chmod +x /usr/local/bin/composer && \
   composer global require "hirak/prestissimo:^0.3" && \