diff --git a/test/integration/docker-compose.yml b/test/integration/docker-compose.yml
index ae28e2f0..da67f164 100644
--- a/test/integration/docker-compose.yml
+++ b/test/integration/docker-compose.yml
@@ -62,3 +62,7 @@ services:
       context: docker/load_balancer
     ports:
       - "12345:80"
+    depends_on:
+      - vm1
+      - vm2
+      - vm3
diff --git a/test/integration/docker/deployer/Dockerfile b/test/integration/docker/deployer/Dockerfile
index de908e6a..bb6b462a 100644
--- a/test/integration/docker/deployer/Dockerfile
+++ b/test/integration/docker/deployer/Dockerfile
@@ -18,6 +18,7 @@ RUN apt-get update --fix-missing && apt-get install -y docker-ce docker-ce-cli c
 
 COPY *.sh .
 COPY app/ app/
+COPY app_with_roles/ app_with_roles/
 
 RUN rm -rf /root/.ssh
 RUN ln -s /shared/ssh /root/.ssh
@@ -26,6 +27,7 @@ RUN mkdir -p /etc/docker/certs.d/registry:4443 && ln -s /shared/certs/domain.crt
 RUN git config --global user.email "deployer@example.com"
 RUN git config --global user.name "Deployer"
 RUN cd app && git init && echo ".env" >> .gitignore && git add . && git commit -am "Initial version"
+RUN cd app_with_roles && git init && echo ".env" >> .gitignore && git add . && git commit -am "Initial version"
 
 HEALTHCHECK --interval=1s CMD pgrep sleep
 
diff --git a/test/integration/docker/deployer/app_with_roles/.env.erb b/test/integration/docker/deployer/app_with_roles/.env.erb
new file mode 100644
index 00000000..dcd2fcf5
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/.env.erb
@@ -0,0 +1 @@
+SECRET_TOKEN=1234
diff --git a/test/integration/docker/deployer/app_with_roles/.kamal/hooks/docker-setup b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/docker-setup
new file mode 100755
index 00000000..2c218dc5
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/docker-setup
@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "Docker set up!"
+mkdir -p /tmp/${TEST_ID} && touch /tmp/${TEST_ID}/docker-setup
diff --git a/test/integration/docker/deployer/app_with_roles/.kamal/hooks/post-deploy b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/post-deploy
new file mode 100755
index 00000000..0fcc6920
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/post-deploy
@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "Deployed!"
+mkdir -p /tmp/${TEST_ID} && touch /tmp/${TEST_ID}/post-deploy
diff --git a/test/integration/docker/deployer/app_with_roles/.kamal/hooks/post-traefik-reboot b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/post-traefik-reboot
new file mode 100755
index 00000000..598ddb63
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/post-traefik-reboot
@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "Rebooted Traefik on ${KAMAL_HOSTS}"
+mkdir -p /tmp/${TEST_ID} && touch /tmp/${TEST_ID}/post-traefik-reboot
diff --git a/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-build b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-build
new file mode 100755
index 00000000..0cf78d88
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-build
@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "About to build and push..."
+mkdir -p /tmp/${TEST_ID} && touch /tmp/${TEST_ID}/pre-build
diff --git a/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-connect b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-connect
new file mode 100755
index 00000000..10095286
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-connect
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+echo "About to lock..."
+if [ "$KAMAL_HOSTS" != "vm1,vm2,vm3" ]; then
+  echo "Expected hosts to be 'vm1,vm2,vm3', got $KAMAL_HOSTS"
+  exit 1
+fi
+mkdir -p /tmp/${TEST_ID} && touch /tmp/${TEST_ID}/pre-connect
diff --git a/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-deploy b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-deploy
new file mode 100755
index 00000000..32fa04c6
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-deploy
@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "Deployed!"
+mkdir -p /tmp/${TEST_ID} && touch /tmp/${TEST_ID}/pre-deploy
diff --git a/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-traefik-reboot b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-traefik-reboot
new file mode 100755
index 00000000..81269d24
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/.kamal/hooks/pre-traefik-reboot
@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "Rebooting Traefik on ${KAMAL_HOSTS}..."
+mkdir -p /tmp/${TEST_ID} && touch /tmp/${TEST_ID}/pre-traefik-reboot
diff --git a/test/integration/docker/deployer/app_with_roles/Dockerfile b/test/integration/docker/deployer/app_with_roles/Dockerfile
new file mode 100644
index 00000000..dc270aa9
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/Dockerfile
@@ -0,0 +1,9 @@
+FROM registry:4443/nginx:1-alpine-slim
+
+COPY default.conf /etc/nginx/conf.d/default.conf
+
+ARG COMMIT_SHA
+RUN echo $COMMIT_SHA > /usr/share/nginx/html/version
+RUN mkdir -p /usr/share/nginx/html/versions && echo "version" > /usr/share/nginx/html/versions/$COMMIT_SHA
+RUN mkdir -p /usr/share/nginx/html/versions && echo "hidden" > /usr/share/nginx/html/versions/.hidden
+
diff --git a/test/integration/docker/deployer/app_with_roles/config/deploy.yml b/test/integration/docker/deployer/app_with_roles/config/deploy.yml
new file mode 100644
index 00000000..004ffb25
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/config/deploy.yml
@@ -0,0 +1,37 @@
+service: app
+image: app
+servers:
+  web:
+    hosts:
+      - vm1
+      - vm2
+  workers:
+    hosts:
+      - vm3
+    cmd: sleep infinity
+
+asset_path: /usr/share/nginx/html/versions
+
+registry:
+  server: registry:4443
+  username: root
+  password: root
+builder:
+  multiarch: false
+  args:
+    COMMIT_SHA: <%= `git rev-parse HEAD` %>
+healthcheck:
+  cmd: wget -qO- http://localhost > /dev/null || exit 1
+traefik:
+  args:
+    accesslog: true
+    accesslog.format: json
+  image: registry:4443/traefik:v2.10
+accessories:
+  busybox:
+    service: custom-busybox
+    image: registry:4443/busybox:1.36.0
+    cmd: sh -c 'echo "Starting busybox..."; trap exit term; while true; do sleep 1; done'
+    roles:
+      - web
+stop_wait_time: 1
diff --git a/test/integration/docker/deployer/app_with_roles/default.conf b/test/integration/docker/deployer/app_with_roles/default.conf
new file mode 100644
index 00000000..e37a9bc1
--- /dev/null
+++ b/test/integration/docker/deployer/app_with_roles/default.conf
@@ -0,0 +1,17 @@
+server {
+    listen       80;
+    listen  [::]:80;
+    server_name  localhost;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    # redirect server error pages to the static page /50x.html
+    #
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+}
diff --git a/test/integration/main_test.rb b/test/integration/main_test.rb
index 22f60860..7c858a17 100644
--- a/test/integration/main_test.rb
+++ b/test/integration/main_test.rb
@@ -42,6 +42,22 @@ class MainTest < IntegrationTest
     assert_no_remote_env_file
   end
 
+  test "app with roles" do
+    @app = "app_with_roles"
+
+    kamal :envify
+
+    version = latest_app_version
+
+    assert_app_is_down
+
+    kamal :deploy
+
+    assert_app_is_up version: version
+    assert_hooks_ran "pre-connect", "pre-build", "pre-deploy", "post-deploy"
+    assert_container_running host: :vm3, name: "app-workers-#{version}"
+  end
+
   test "config" do
     config = YAML.load(kamal(:config, capture: true))
     version = latest_app_version
@@ -115,4 +131,8 @@ class MainTest < IntegrationTest
       assert vm1_image_ids.any?
       assert vm1_container_ids.any?
     end
+
+    def assert_container_running(host:, name:)
+      assert docker_compose("exec #{host} docker ps --filter=name=#{name} -q", capture: true).strip.present?
+    end
 end