diff --git a/Dockerfile b/Dockerfile
index dcb7229..8660123 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,11 @@
 FROM composer AS base
-RUN apk add postgresql-dev openldap-dev \
- && docker-php-ext-install pdo mbstring pdo_pgsql ldap
-
 WORKDIR /app
 COPY src/composer.json src/composer.lock /app/
 RUN composer install --no-autoloader
 
-FROM composer AS install
+FROM composer
+RUN apk add postgresql-dev openldap-dev \
+ && docker-php-ext-install pdo mbstring pdo_pgsql ldap
 COPY ./src /app
 COPY --from=base /app/vendor /app/vendor
 RUN composer install