diff --git a/.config/cypress-devcontainer.yml b/.config/cypress-devcontainer.yml
new file mode 100644
index 0000000000..e8da5f5e27
--- /dev/null
+++ b/.config/cypress-devcontainer.yml
@@ -0,0 +1,203 @@
+#━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+# Misskey configuration
+#━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+#   ┌─────┐
+#───┘ URL └─────────────────────────────────────────────────────
+
+# Final accessible URL seen by a user.
+url: 'http://misskey.local'
+
+# ONCE YOU HAVE STARTED THE INSTANCE, DO NOT CHANGE THE
+# URL SETTINGS AFTER THAT!
+
+#   ┌───────────────────────┐
+#───┘ Port and TLS settings └───────────────────────────────────
+
+#
+# Misskey requires a reverse proxy to support HTTPS connections.
+#
+#                 +----- https://example.tld/ ------------+
+#   +------+      |+-------------+      +----------------+|
+#   | User | ---> || Proxy (443) | ---> | Misskey (3000) ||
+#   +------+      |+-------------+      +----------------+|
+#                 +---------------------------------------+
+#
+#   You need to set up a reverse proxy. (e.g. nginx)
+#   An encrypted connection with HTTPS is highly recommended
+#   because tokens may be transferred in GET requests.
+
+# The port that your Misskey server should listen on.
+port: 61812
+
+#   ┌──────────────────────────┐
+#───┘ PostgreSQL configuration └────────────────────────────────
+
+db:
+  host: db
+  port: 5432
+
+  # Database name
+  db: misskey
+
+  # Auth
+  user: postgres
+  pass: postgres
+
+  # Whether disable Caching queries
+  #disableCache: true
+
+  # Extra Connection options
+  #extra:
+  #  ssl: true
+
+dbReplications: false
+
+# You can configure any number of replicas here
+#dbSlaves:
+#  -
+#    host:
+#    port:
+#    db:
+#    user:
+#    pass:
+#  -
+#    host:
+#    port:
+#    db:
+#    user:
+#    pass:
+
+#   ┌─────────────────────┐
+#───┘ Redis configuration └─────────────────────────────────────
+
+redis:
+  host: redis
+  port: 6379
+  #family: 0  # 0=Both, 4=IPv4, 6=IPv6
+  #pass: example-pass
+  #prefix: example-prefix
+  #db: 1
+
+#redisForPubsub:
+#  host: redis
+#  port: 6379
+#  #family: 0  # 0=Both, 4=IPv4, 6=IPv6
+#  #pass: example-pass
+#  #prefix: example-prefix
+#  #db: 1
+
+#redisForJobQueue:
+#  host: redis
+#  port: 6379
+#  #family: 0  # 0=Both, 4=IPv4, 6=IPv6
+#  #pass: example-pass
+#  #prefix: example-prefix
+#  #db: 1
+
+#redisForTimelines:
+#  host: redis
+#  port: 6379
+#  #family: 0  # 0=Both, 4=IPv4, 6=IPv6
+#  #pass: example-pass
+#  #prefix: example-prefix
+#  #db: 1
+
+#   ┌───────────────────────────┐
+#───┘ MeiliSearch configuration └─────────────────────────────
+
+#meilisearch:
+#  host: meilisearch
+#  port: 7700
+#  apiKey: ''
+#  ssl: true
+#  index: ''
+
+#   ┌───────────────┐
+#───┘ ID generation └───────────────────────────────────────────
+
+# You can select the ID generation method.
+# You don't usually need to change this setting, but you can
+# change it according to your preferences.
+
+# Available methods:
+# aid ... Short, Millisecond accuracy
+# aidx ... Millisecond accuracy
+# meid ... Similar to ObjectID, Millisecond accuracy
+# ulid ... Millisecond accuracy
+# objectid ... This is left for backward compatibility
+
+# ONCE YOU HAVE STARTED THE INSTANCE, DO NOT CHANGE THE
+# ID SETTINGS AFTER THAT!
+
+id: 'aidx'
+
+#   ┌────────────────┐
+#───┘ Error tracking └──────────────────────────────────────────
+
+# Sentry is available for error tracking.
+# See the Sentry documentation for more details on options.
+
+#sentryForBackend:
+#  enableNodeProfiling: true
+#  options:
+#    dsn: 'https://examplePublicKey@o0.ingest.sentry.io/0'
+
+#sentryForFrontend:
+#  options:
+#    dsn: 'https://examplePublicKey@o0.ingest.sentry.io/0'
+
+#   ┌─────────────────────┐
+#───┘ Other configuration └─────────────────────────────────────
+
+# Whether disable HSTS
+#disableHsts: true
+
+# Number of worker processes
+#clusterLimit: 1
+
+# Job concurrency per worker
+# deliverJobConcurrency: 128
+# inboxJobConcurrency: 16
+
+# Job rate limiter
+# deliverJobPerSec: 128
+# inboxJobPerSec: 32
+
+# Job attempts
+# deliverJobMaxAttempts: 12
+# inboxJobMaxAttempts: 8
+
+# IP address family used for outgoing request (ipv4, ipv6 or dual)
+#outgoingAddressFamily: ipv4
+
+# Proxy for HTTP/HTTPS
+#proxy: http://127.0.0.1:3128
+
+proxyBypassHosts:
+  - api.deepl.com
+  - api-free.deepl.com
+  - www.recaptcha.net
+  - hcaptcha.com
+  - challenges.cloudflare.com
+
+# Proxy for SMTP/SMTPS
+#proxySmtp: http://127.0.0.1:3128   # use HTTP/1.1 CONNECT
+#proxySmtp: socks4://127.0.0.1:1080 # use SOCKS4
+#proxySmtp: socks5://127.0.0.1:1080 # use SOCKS5
+
+# Media Proxy
+#mediaProxy: https://example.com/proxy
+
+# Proxy remote files (default: true)
+proxyRemoteFiles: true
+
+# Sign to ActivityPub GET request (default: true)
+signToActivityPubGet: true
+
+allowedPrivateNetworks: [
+  '127.0.0.1/32'
+]
+
+# Upload or download file size limits (bytes)
+#maxFileSize: 262144000
diff --git a/.devcontainer/init.sh b/.devcontainer/init.sh
index 55fb1e6fa6..e02a533c15 100755
--- a/.devcontainer/init.sh
+++ b/.devcontainer/init.sh
@@ -3,6 +3,8 @@
 set -xe
 
 sudo chown node node_modules
+sudo apt-get update
+sudo apt-get -y install libgtk2.0-0 libgtk-3-0 libgbm-dev libnotify-dev libnss3 libxss1 libasound2 libxtst6 xauth xvfb
 git config --global --add safe.directory /workspace
 git submodule update --init
 corepack install
@@ -12,3 +14,4 @@ pnpm install --frozen-lockfile
 cp .devcontainer/devcontainer.yml .config/default.yml
 pnpm build
 pnpm migrate
+pnpm exec cypress install
diff --git a/.gitignore b/.gitignore
index 0f896f4a98..4d5bd1ce08 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,7 @@ coverage
 !/.config/example.yml
 !/.config/docker_example.yml
 !/.config/docker_example.env
+!/.config/cypress-devcontainer.yml
 docker-compose.yml
 compose.yml
 .devcontainer/compose.yml
diff --git a/package.json b/package.json
index f6507acdb2..85b4f62752 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
 		"cy:open": "pnpm cypress open --browser --e2e --config-file=cypress.config.ts",
 		"cy:run": "pnpm cypress run",
 		"e2e": "pnpm start-server-and-test start:test http://localhost:61812 cy:run",
+		"e2e-dev-container": "cp ./.config/cypress-devcontainer.yml ./.config/test.yml && pnpm start-server-and-test start:test http://localhost:61812 cy:run",
 		"jest": "cd packages/backend && pnpm jest",
 		"jest-and-coverage": "cd packages/backend && pnpm jest-and-coverage",
 		"test": "pnpm -r test",