[wgo2-web/oscp] Run apt-get update

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 7f207ea6769685174c0b6c113b4187baa0477e02
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Mon Aug 3 08:19:45 2020 +0200

    Run apt-get update

 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/Dockerfile b/Dockerfile
index d70ef5a..7f6b6a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM wordpress:fpm
 
 SHELL ["/bin/bash", "-c"]
     
-RUN apt-get install -y libldap-2.4-2 libldap2-dev && \
+RUN apt-get update && apt-get install -y libldap-2.4-2 libldap2-dev && \
     docker-php-ext-configure ldap && \
     docker-php-ext-install -j$(nproc) ldap
 ADD ipa-ca.crt /etc/ipa-ca.crt