From 4983e760bbb569fc151e04db553f57685b4182d3 Mon Sep 17 00:00:00 2001
From: Jakob Ackermann <jakob.ackermann@overleaf.com>
Date: Tue, 11 Feb 2025 11:36:01 +0000
Subject: [PATCH] [web] use tmpfs for transferring /overleaf into cypress image
 (#23529)

GitOrigin-RevId: e913a4388be6feb6e0cddd098f64452bfa0e7ef7
---
 services/web/Dockerfile.frontend_ct |  9 ---------
 services/web/Makefile               |  5 ++---
 services/web/docker-compose.ci.yml  | 10 ++--------
 3 files changed, 4 insertions(+), 20 deletions(-)
 delete mode 100644 services/web/Dockerfile.frontend_ct

diff --git a/services/web/Dockerfile.frontend_ct b/services/web/Dockerfile.frontend_ct
deleted file mode 100644
index 49fb58843c..0000000000
--- a/services/web/Dockerfile.frontend_ct
+++ /dev/null
@@ -1,9 +0,0 @@
-ARG PROJECT_NAME
-ARG BRANCH_NAME
-ARG BUILD_NUMBER
-ARG CYPRESS_IMAGE
-
-FROM ci/$PROJECT_NAME:$BRANCH_NAME-$BUILD_NUMBER AS dev
-
-FROM $CYPRESS_IMAGE
-COPY --from=dev /overleaf /overleaf
diff --git a/services/web/Makefile b/services/web/Makefile
index bc2401f391..232511ccb2 100644
--- a/services/web/Makefile
+++ b/services/web/Makefile
@@ -135,9 +135,8 @@ TEST_FRONTEND_CT_VARIANTS = \
 	test_frontend_ct_editor \
 
 # Note: The below cypress targets are for CI only
-build_test_frontend_ct: $(TEST_FRONTEND_CT_VARIANTS:=/build)
-$(TEST_FRONTEND_CT_VARIANTS:=/build): %/build:
-	COMPOSE_PROJECT_NAME=$*_$(BUILD_DIR_NAME) $(DOCKER_COMPOSE) build test_frontend_ct
+build_test_frontend_ct:
+	docker run --rm --volume /dev/shm:/dev/shm --user root $(IMAGE_CI) bash -ec 'tar -cC / overleaf | tar -xC /dev/shm'
 
 test_frontend_ct_core: export CYPRESS_RESULTS=./cypress/results/core
 test_frontend_ct_core: export CYPRESS_SPEC_PATTERN=./test/frontend/**/*.spec.{js,jsx,ts,tsx}
diff --git a/services/web/docker-compose.ci.yml b/services/web/docker-compose.ci.yml
index a8a9f4b5a1..6c5f5d861c 100644
--- a/services/web/docker-compose.ci.yml
+++ b/services/web/docker-compose.ci.yml
@@ -54,14 +54,7 @@ services:
       NODE_OPTIONS: "--unhandled-rejections=strict"
 
   test_frontend_ct:
-    build:
-      context: .
-      dockerfile: ./Dockerfile.frontend_ct
-      args:
-        PROJECT_NAME: $PROJECT_NAME
-        BRANCH_NAME: $BRANCH_NAME
-        BUILD_NUMBER: $BUILD_NUMBER
-        CYPRESS_IMAGE: $CYPRESS_IMAGE
+    image: $CYPRESS_IMAGE
     working_dir: /overleaf/services/web
     entrypoint: bash
     environment:
@@ -69,6 +62,7 @@ services:
       CYPRESS_EXCLUDE_SPEC_PATTERN: ${CYPRESS_EXCLUDE_SPEC_PATTERN:-}
     volumes:
       - ${CYPRESS_RESULTS:-./cypress/results}:/overleaf/services/web/cypress/results/
+      - /dev/shm/overleaf:/overleaf
     command:
       - "-c"
       - "if npm run cypress:run-ct; then exit 0; else mkdir -p ./cypress/results && touch ./cypress/results/.cypress_fail; fi;"