diff --git a/README.md b/README.md
index f939336b..4b5054ea 100644
--- a/README.md
+++ b/README.md
@@ -468,7 +468,9 @@ Completely avoid running any `pull` command. Images being used will need to be p
 
 ### `workdir` (optional, run only)
 
-Specify the container working directory via `docker-compose run --workdir`.
+Specify the container working directory via `docker-compose run --workdir`. This option is also used by [`mount-checkout`](#mount-checkout-optional-run-only-boolean) to determine where to mount the checkout in the container.
+
+Example: `/app`
 
 ### `user` (optional, run only)
 
@@ -492,6 +494,12 @@ Whether to automatically mount the `buildkite-agent` binary and associated envir
 
 Default: `false`
 
+### `mount-checkout` (optional, run-only, boolean)
+
+Whether to automatically mount the current working directory which contains your checked out codebase. Mounts onto `/workdir`, unless `workdir` is set, in which case that will be used.
+
+Default: `false`
+
 ### `pull-retries` (optional)
 
 A number of times to retry failed docker pull. Defaults to 0.
diff --git a/commands/run.sh b/commands/run.sh
index b78f01a1..5784ed47 100755
--- a/commands/run.sh
+++ b/commands/run.sh
@@ -9,6 +9,7 @@ container_name="$(docker_compose_project_name)_${run_service}_build_${BUILDKITE_
 override_file="docker-compose.buildkite-${BUILDKITE_BUILD_NUMBER}-override.yml"
 pull_retries="$(plugin_read_config PULL_RETRIES "0")"
 mount_ssh_agent=''
+mount_checkout="$(plugin_read_config MOUNT_CHECKOUT "false")"
 
 expand_headers_on_error() {
   echo "^^^ +++"
@@ -115,10 +116,16 @@ if [[ -n "${BUILDKITE_REPO_MIRROR:-}" ]]; then
 fi
 
 tty_default='true'
+workdir_default="/workdir"
+pwd_default="$PWD"
 
 # Set operating system specific defaults
 if is_windows ; then
   tty_default='false'
+  workdir_default="C:\\workdir"
+  # escaping /C is a necessary workaround for an issue with Git for Windows 2.24.1.2
+  # https://github.com/git-for-windows/git/issues/2442
+  pwd_default="$(cmd.exe //C "echo %CD%")"
 fi
 
 # Optionally disable allocating a TTY
@@ -131,8 +138,19 @@ if [[ "$(plugin_read_config DEPENDENCIES "true")" == "false" ]] ; then
   run_params+=(--no-deps)
 fi
 
-if [[ -n "$(plugin_read_config WORKDIR)" ]] ; then
-  run_params+=("--workdir=$(plugin_read_config WORKDIR)")
+workdir=''
+
+if [[ -n "$(plugin_read_config WORKDIR)" ]] || [[ "${mount_checkout}" == "true" ]]; then
+  workdir="$(plugin_read_config WORKDIR "$workdir_default")"
+fi
+
+if [[ -n "${workdir}" ]] ; then
+  run_params+=("--workdir=${workdir}")
+fi
+
+# By default, mount $PWD onto $WORKDIR
+if [[ "${mount_checkout}" == "true" ]] ; then
+  run_params+=("-v" "${pwd_default}:${workdir}")
 fi
 
 # Can't set both user and propagate-uid-gid
diff --git a/plugin.yml b/plugin.yml
index c2136ecb..b511865f 100644
--- a/plugin.yml
+++ b/plugin.yml
@@ -59,6 +59,8 @@ configuration:
       type: boolean
     mount-ssh-agent:
       type: boolean
+    mount-checkout:
+      type: boolean
     no-cache:
       type: boolean
     propagate-environment:
@@ -115,6 +117,7 @@ configuration:
     image-name: [ build ]
     leave-volumes: [ run ]
     mount-buildkite-agent: [ run ]
+    mount-checkout: [ run ]
     propagate-uid-gid: [ run ]
     pull: [ run ]
     push-retries: [ push ]
diff --git a/tests/run.bats b/tests/run.bats
index 2b4ef823..3f8e2e53 100644
--- a/tests/run.bats
+++ b/tests/run.bats
@@ -1159,3 +1159,85 @@ export BUILDKITE_JOB_ID=1111
   unstub docker-compose
   unstub buildkite-agent
 }
+
+@test "Run without mount-checkout doesn't set volume" {
+  export BUILDKITE_JOB_ID=1111
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_RUN=myservice
+  export BUILDKITE_PIPELINE_SLUG=test
+  export BUILDKITE_BUILD_NUMBER=1
+  export BUILDKITE_COMMAND=pwd
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_CHECK_LINKED_CONTAINERS=false
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_CLEANUP=false
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_MOUNT_CHECKOUT=false
+
+  stub docker-compose \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml pull myservice : echo pulled myservice" \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml up -d --scale myservice=0 myservice : echo started dependencies for myservice" \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml run --name buildkite1111_myservice_build_1 --rm myservice /bin/sh -e -c 'pwd' : echo ran myservice without mount-checkout"
+
+  stub buildkite-agent \
+    "meta-data exists docker-compose-plugin-built-image-tag-myservice : exit 0" \
+    "meta-data get docker-compose-plugin-built-image-tag-myservice : echo myimage"
+
+  run "$PWD"/hooks/command
+
+  assert_success
+  assert_output --partial "ran myservice without mount-checkout"
+  unstub docker-compose
+  unstub buildkite-agent
+}
+
+@test "Run with mount-checkout set with default workdir" {
+  export BUILDKITE_JOB_ID=1111
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_RUN=myservice
+  export BUILDKITE_PIPELINE_SLUG=test
+  export BUILDKITE_BUILD_NUMBER=1
+  export BUILDKITE_COMMAND=pwd
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_CHECK_LINKED_CONTAINERS=false
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_CLEANUP=false
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_MOUNT_CHECKOUT=true
+
+  stub docker-compose \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml pull myservice : echo pulled myservice" \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml up -d --scale myservice=0 myservice : echo started dependencies for myservice" \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml run --name buildkite1111_myservice_build_1 --workdir=/workdir -v $PWD:/workdir --rm myservice /bin/sh -e -c 'pwd' : echo ran myservice with mount-checkout"
+
+  stub buildkite-agent \
+    "meta-data exists docker-compose-plugin-built-image-tag-myservice : exit 0" \
+    "meta-data get docker-compose-plugin-built-image-tag-myservice : echo myimage"
+
+  run "$PWD"/hooks/command
+
+  assert_success
+  assert_output --partial "ran myservice with mount-checkout"
+  unstub docker-compose
+  unstub buildkite-agent
+}
+
+@test "Run with mount-checkout set with custom workdir" {
+  export BUILDKITE_JOB_ID=1111
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_RUN=myservice
+  export BUILDKITE_PIPELINE_SLUG=test
+  export BUILDKITE_BUILD_NUMBER=1
+  export BUILDKITE_COMMAND=pwd
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_CHECK_LINKED_CONTAINERS=false
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_CLEANUP=false
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_MOUNT_CHECKOUT=true
+  export BUILDKITE_PLUGIN_DOCKER_COMPOSE_WORKDIR="/custom_workdir"
+
+  stub docker-compose \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml pull myservice : echo pulled myservice" \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml up -d --scale myservice=0 myservice : echo started dependencies for myservice" \
+    "-f docker-compose.yml -p buildkite1111 -f docker-compose.buildkite-1-override.yml run --name buildkite1111_myservice_build_1 --workdir=$BUILDKITE_PLUGIN_DOCKER_COMPOSE_WORKDIR -v $PWD:$BUILDKITE_PLUGIN_DOCKER_COMPOSE_WORKDIR --rm myservice /bin/sh -e -c 'pwd' : echo ran myservice with mount-checkout"
+
+  stub buildkite-agent \
+    "meta-data exists docker-compose-plugin-built-image-tag-myservice : exit 0" \
+    "meta-data get docker-compose-plugin-built-image-tag-myservice : echo myimage"
+
+  run "$PWD"/hooks/command
+
+  assert_success
+  assert_output --partial "ran myservice with mount-checkout"
+  unstub docker-compose
+  unstub buildkite-agent
+}