diff --git a/services/chat/Makefile b/services/chat/Makefile
index 60a67c50ff..d5e3943736 100644
--- a/services/chat/Makefile
+++ b/services/chat/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = chat
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -28,7 +29,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/clsi/Makefile b/services/clsi/Makefile
index c6b5491bad..35f96baddf 100644
--- a/services/clsi/Makefile
+++ b/services/clsi/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = clsi
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -27,7 +28,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/contacts/Makefile b/services/contacts/Makefile
index 8d92635a83..9b4bd0d535 100644
--- a/services/contacts/Makefile
+++ b/services/contacts/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = contacts
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -28,7 +29,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/docstore/Makefile b/services/docstore/Makefile
index 9ec95321f1..9236af9f4b 100644
--- a/services/docstore/Makefile
+++ b/services/docstore/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = docstore
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -30,7 +31,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/document-updater/Makefile b/services/document-updater/Makefile
index 3e25c71ad2..5a1675afbe 100644
--- a/services/document-updater/Makefile
+++ b/services/document-updater/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = document-updater
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -31,7 +32,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/filestore/Makefile b/services/filestore/Makefile
index fbb23e89ba..228ad75a7e 100644
--- a/services/filestore/Makefile
+++ b/services/filestore/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = filestore
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -27,7 +28,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/git-bridge/Makefile b/services/git-bridge/Makefile
index fbc350ba01..a572c577ea 100644
--- a/services/git-bridge/Makefile
+++ b/services/git-bridge/Makefile
@@ -5,12 +5,13 @@ MVN_TARGET := target/writelatex-git-bridge-1.0-SNAPSHOT-jar-with-dependencies.ja
 
 export BUILD_NUMBER ?= local
 export BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 export COMMIT_SHA ?= $(shell git rev-parse HEAD)
 PROJECT_NAME = git-bridge
 
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_BRANCH ?= $(IMAGE_REPO):$(BRANCH_NAME)
+IMAGE_REPO_BRANCH ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)
 IMAGE_REPO_MAIN ?= $(IMAGE_REPO):main
 IMAGE_REPO_FINAL ?= $(IMAGE_REPO_BRANCH)-$(BUILD_NUMBER)
 
diff --git a/services/history-v1/Makefile b/services/history-v1/Makefile
index 1d4256288f..d68c1f91de 100644
--- a/services/history-v1/Makefile
+++ b/services/history-v1/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = history-v1
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -32,7 +33,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/notifications/Makefile b/services/notifications/Makefile
index 9477ad9221..2c29789a10 100644
--- a/services/notifications/Makefile
+++ b/services/notifications/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = notifications
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -29,7 +30,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/project-history/Makefile b/services/project-history/Makefile
index 4f18c7df40..efaea519f2 100644
--- a/services/project-history/Makefile
+++ b/services/project-history/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = project-history
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -31,7 +32,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}
diff --git a/services/real-time/Makefile b/services/real-time/Makefile
index f5ebbefb89..4d821f09d8 100644
--- a/services/real-time/Makefile
+++ b/services/real-time/Makefile
@@ -4,13 +4,14 @@
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
+BRANCH_NAME_TAG_SAFE = $(shell echo $(BRANCH_NAME) | sed 's/\//\-\-/g')
 PROJECT_NAME = real-time
 BUILD_DIR_NAME = $(shell pwd | xargs basename | tr -cd '[a-zA-Z0-9_.\-]')
 HERE=$(shell pwd)
 export MONOREPO ?= $(shell cd ../../ && pwd)
-IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_CI ?= ci/$(PROJECT_NAME):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_REPO ?= us-east1-docker.pkg.dev/overleaf-ops/ol-docker/$(PROJECT_NAME)
-IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME)-$(BUILD_NUMBER)
+IMAGE_REPO_FINAL ?= $(IMAGE_REPO):$(BRANCH_NAME_TAG_SAFE)-$(BUILD_NUMBER)
 IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 	$(MONOREPO)/package.json \
 	$(MONOREPO)/package-lock.json \
@@ -27,7 +28,7 @@ IMAGE_CACHE ?= $(IMAGE_REPO):cache-$(shell cat \
 
 DOCKER_COMPOSE_FLAGS ?= -f docker-compose.yml
 DOCKER_COMPOSE := BUILD_NUMBER=$(BUILD_NUMBER) \
-	BRANCH_NAME=$(BRANCH_NAME) \
+	BRANCH_NAME=$(BRANCH_NAME_TAG_SAFE) \
 	PROJECT_NAME=$(PROJECT_NAME) \
 	MOCHA_GREP=${MOCHA_GREP} \
 	docker compose ${DOCKER_COMPOSE_FLAGS}