[gbm-web] flat-manager: Try to make OpenShift do its job

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 9fd7808079579991212df407d0fdf7eca4a619ff
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Tue Jul 14 08:11:21 2020 +0200

    flat-manager: Try to make OpenShift do its job

 flat-manager/Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/flat-manager/Dockerfile b/flat-manager/Dockerfile
index dc2a2c7..f8c5030 100644
--- a/flat-manager/Dockerfile
+++ b/flat-manager/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:18.04 as build
 
 RUN apt-get update && apt-get install -y git libpq-dev curl build-essential
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup.sh && \
@@ -16,7 +16,7 @@ RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C793BFA2FA577F07 &&
     apt-get update && apt-get install -y flatpak ostree libpq5 && \
     rm -rf /var/lib/apt/lists/*
 
-COPY --from=0 /flat-manager/target/release/flat-manager /usr/local/bin/flat-manager
+COPY --from=build /flat-manager/target/release/flat-manager /usr/local/bin/flat-manager
 ADD heartbeat /heartbeat
 
 ENV HOME /srv/gnome-build-meta