diff --git a/docker-compose.yml b/docker-compose.yml
index 73f080a4..61c61865 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -14,6 +14,7 @@ services:
       # https://stackoverflow.com/a/55706057
       - SYS_NICE  # CAP_SYS_NICE
   web:
+    platform: linux/amd64
     build:
       context: .
       dockerfile: ./tools/docker/Dockerfile
diff --git a/patchwork/settings/base.py b/patchwork/settings/base.py
index dccab6c3..d678732c 100644
--- a/patchwork/settings/base.py
+++ b/patchwork/settings/base.py
@@ -187,6 +187,7 @@
     'NON_FIELD_ERRORS_KEY': 'detail',
 }
 
+DEBUG = True
 #
 # Logging settings
 #
diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index f89462f6..b1406162 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -9,7 +9,7 @@ ENV PYTHONUNBUFFERED 1
 ENV PROJECT_HOME /home/patchwork/patchwork
 ENV DJANGO_SETTINGS_MODULE patchwork.settings.dev
 
-RUN groupadd --gid=$GID patchwork && \
+RUN groupadd -o --gid=$GID patchwork && \
     useradd --uid=$UID --gid=$GID --create-home patchwork
 RUN rm -f /etc/localtime; ln -s /usr/share/zoneinfo/$TZ /etc/localtime