Avoid increasing disk quota by tidying up after new DfE project code

dfe-frontend-alpha > backstopjs > playwright

Dockerfile

@@ -83,10 +83,18 @@ COPY .yarnrc.yml ${APP_HOME}/.yarnrc.yml
 COPY --from=deps /build/.yarn ${APP_HOME}/.yarn
 COPY --from=deps /build/node_modules ${APP_HOME}/node_modules
 
+# TODO: remove cache deletion
+#
+# npm package dfe-frontend-alpha includes a dev dependency called ms-playwright.
+# This uses an extra ~1GB of disk space.
+# Once package maintainers move this out of the runtime group it will no longer be an issue.
+# Image building will stall here once the directory no longer exists.
+#
 RUN SECRET_KEY_BASE=x \
     GOVUK_APP_DOMAIN=x \
     GOVUK_WEBSITE_ROOT=x \
-    bundle exec rails assets:precompile
+    bundle exec rails assets:precompile; \
+    rm -r /root/.cache/ms-playwright
 
 COPY ./docker-entrypoint.sh /
 

terraform/app/modules/paas/inputs.tf

@@ -54,7 +54,7 @@ variable "web_app_memory" {
 variable "web_app_disk_quota" {
   type        = number
   description = "Application disk quota"
-  default     = 4096
+  default     = 2048
 }
 
 variable "web_app_start_command" {