diff --git a/README.md b/README.md
index 9cd8e17a..d9de0567 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,14 @@ If the referenced secret ENVs are missing, the configuration will be halted with
 
 Note: Marking an ENV as secret currently only redacts its value in the output for MRSK. The ENV is still injected in the clear into the container at runtime.
 
+### Using volumes
+
+You can add custom volumes into the app containers using `volumes`:
+
+```yaml
+volumes:
+  - "/local/path:/container/path"
+```
 
 ### Using different roles for servers
 
diff --git a/lib/mrsk/commands/app.rb b/lib/mrsk/commands/app.rb
index 245d0e33..fa5e02af 100644
--- a/lib/mrsk/commands/app.rb
+++ b/lib/mrsk/commands/app.rb
@@ -10,6 +10,7 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
       "--name", config.service_with_version,
       *rails_master_key_arg,
       *role.env_args,
+      *config.volume_args,
       *role.label_args,
       config.absolute_image,
       role.cmd
@@ -43,6 +44,7 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
       ("-it" if interactive),
       *rails_master_key_arg,
       *config.env_args,
+      *config.volume_args,
       config.service_with_version,
       *command
   end
@@ -53,6 +55,7 @@ class Mrsk::Commands::App < Mrsk::Commands::Base
       "--rm",
       *rails_master_key_arg,
       *config.env_args,
+      *config.volume_args,
       config.absolute_image,
       *command
   end
diff --git a/lib/mrsk/configuration.rb b/lib/mrsk/configuration.rb
index f2f628b2..498700a8 100644
--- a/lib/mrsk/configuration.rb
+++ b/lib/mrsk/configuration.rb
@@ -98,6 +98,14 @@ class Mrsk::Configuration
     end
   end
 
+  def volume_args
+    if config.volumes.present?
+      config.volumes.map { |volume| "--volume #{volume}" }
+    else
+      []
+    end
+  end
+
   def ssh_user
     raw_config.ssh_user || "root"
   end
@@ -120,8 +128,10 @@ class Mrsk::Configuration
       absolute_image: absolute_image,
       service_with_version: service_with_version,
       env_args: env_args,
+      volume_args: volume_args,
       ssh_options: ssh_options,
       builder: raw_config.builder
+      builder: config.builder
     }.compact
   end
 
diff --git a/test/commands/app_test.rb b/test/commands/app_test.rb
index 5297b6fa..15f72d66 100644
--- a/test/commands/app_test.rb
+++ b/test/commands/app_test.rb
@@ -15,6 +15,13 @@ class CommandsAppTest < ActiveSupport::TestCase
       [:docker, :run, "-d", "--restart unless-stopped", "--name", "app-missing", "-e", "RAILS_MASTER_KEY=456", "--label", "service=app", "--label", "role=web", "--label", "traefik.http.routers.app.rule='PathPrefix(`/`)'", "--label", "traefik.http.services.app.loadbalancer.healthcheck.path=/up", "--label", "traefik.http.services.app.loadbalancer.healthcheck.interval=1s", "--label", "traefik.http.middlewares.app.retry.attempts=3", "--label", "traefik.http.middlewares.app.retry.initialinterval=500ms", "dhh/app:missing"], @app.run
   end
 
+  test "run with volumes" do
+    @config[:volumes] = ["/local/path:/container/path" ]
+
+    assert_equal \
+      [:docker, :run, "-d", "--restart unless-stopped", "--name", "app-missing", "-e", "RAILS_MASTER_KEY=456", "--volume /local/path:/container/path", "--label", "service=app", "--label", "role=web", "--label", "traefik.http.routers.app.rule='PathPrefix(`/`)'", "--label", "traefik.http.services.app.loadbalancer.healthcheck.path=/up", "--label", "traefik.http.services.app.loadbalancer.healthcheck.interval=1s", "--label", "traefik.http.middlewares.app.retry.attempts=3", "--label", "traefik.http.middlewares.app.retry.initialinterval=500ms", "dhh/app:missing"], @app.run
+  end
+
   test "run with" do
     assert_equal \
       [ :docker, :run, "--rm", "-e", "RAILS_MASTER_KEY=456", "dhh/app:missing", "bin/rails", "db:setup" ],
diff --git a/test/configuration_test.rb b/test/configuration_test.rb
index eff0ddac..3870e460 100644
--- a/test/configuration_test.rb
+++ b/test/configuration_test.rb
@@ -9,7 +9,8 @@ class ConfigurationTest < ActiveSupport::TestCase
       service: "app", image: "dhh/app",
       registry: { "username" => "dhh", "password" => "secret" },
       env: { "REDIS_URL" => "redis://x/y" },
-      servers: [ "1.1.1.1", "1.1.1.2" ]
+      servers: [ "1.1.1.1", "1.1.1.2" ],
+      volumes: ["/local/path:/container/path"]
     }
 
     @config = Mrsk::Configuration.new(@deploy)
@@ -84,15 +85,14 @@ class ConfigurationTest < ActiveSupport::TestCase
     assert_equal "app-missing", @config.service_with_version
   end
 
-
   test "env args" do
     assert_equal [ "-e", "REDIS_URL=redis://x/y" ], @config.env_args
   end
 
   test "env args with clear and secrets" do
     ENV["PASSWORD"] = "secret123"
-    config = Mrsk::Configuration.new(@deploy.tap { |c| c.merge!({ 
-      env: { "clear" => { "PORT" => "3000" }, "secret" => [ "PASSWORD" ] } 
+    config = Mrsk::Configuration.new(@deploy.tap { |c| c.merge!({
+      env: { "clear" => { "PORT" => "3000" }, "secret" => [ "PASSWORD" ] }
     }) })
 
     assert_equal [ "-e", "PASSWORD=secret123", "-e", "PORT=3000" ], config.env_args
@@ -103,8 +103,8 @@ class ConfigurationTest < ActiveSupport::TestCase
 
   test "env args with only secrets" do
     ENV["PASSWORD"] = "secret123"
-    config = Mrsk::Configuration.new(@deploy.tap { |c| c.merge!({ 
-      env: { "secret" => [ "PASSWORD" ] } 
+    config = Mrsk::Configuration.new(@deploy.tap { |c| c.merge!({
+      env: { "secret" => [ "PASSWORD" ] }
     }) })
 
     assert_equal [ "-e", "PASSWORD=secret123" ], config.env_args
@@ -114,8 +114,8 @@ class ConfigurationTest < ActiveSupport::TestCase
   end
 
   test "env args with missing secret" do
-    config = Mrsk::Configuration.new(@deploy.tap { |c| c.merge!({ 
-      env: { "secret" => [ "PASSWORD" ] } 
+    config = Mrsk::Configuration.new(@deploy.tap { |c| c.merge!({
+      env: { "secret" => [ "PASSWORD" ] }
     }) })
 
     assert_raises(KeyError) do
@@ -134,6 +134,9 @@ class ConfigurationTest < ActiveSupport::TestCase
     assert_equal "456", @config.master_key
   end
 
+  test "volume_args" do
+    assert_equal ["--volume /local/path:/container/path"], @config.volume_args
+  end
 
   test "erb evaluation of yml config" do
     config = Mrsk::Configuration.create_from Pathname.new(File.expand_path("fixtures/deploy.erb.yml", __dir__))
@@ -159,6 +162,6 @@ class ConfigurationTest < ActiveSupport::TestCase
   end
 
   test "to_h" do
-    assert_equal({ :roles=>["web"], :hosts=>["1.1.1.1", "1.1.1.2"], :primary_host=>"1.1.1.1", :version=>"missing", :repository=>"dhh/app", :absolute_image=>"dhh/app:missing", :service_with_version=>"app-missing", :env_args=>["-e", "REDIS_URL=redis://x/y"], :ssh_options=>{:user=>"root", :auth_methods=>["publickey"]} }, @config.to_h)
+    assert_equal({ :roles=>["web"], :hosts=>["1.1.1.1", "1.1.1.2"], :primary_host=>"1.1.1.1", :version=>"missing", :repository=>"dhh/app", :absolute_image=>"dhh/app:missing", :service_with_version=>"app-missing", :env_args=>["-e", "REDIS_URL=redis://x/y"], :ssh_options=>{:user=>"root", :auth_methods=>["publickey"]}, :volume_args=>["--volume /local/path:/container/path"] }, @config.to_h)
   end
 end