diff --git a/action.yml b/action.yml
index 8b7d95f..76d8605 100644
--- a/action.yml
+++ b/action.yml
@@ -28,17 +28,17 @@ runs:
       shell: bash
       run: |
         # write google application credentials to a temporary file to be used inside the container
-        mkdir -p /tmp/gce-cloudsql-proxy
-        echo '${{ inputs.creds }}' > /tmp/gce-cloudsql-proxy/key.json
+        TMPDIR=$(mktemp -d)
+        echo '${{ inputs.creds }}' > $TMPDIR/key.json
 
         # start container
-        docker run -d --net host --name gce-cloudsql-proxy --restart on-failure \
-        -v /tmp/gce-cloudsql-proxy:/tmp/gce-cloudsql-proxy \
+        CONTAINER=$(docker run -d --net host --restart on-failure \
+        -v $TMPDIR:/tmp/gce-cloudsql-proxy \
         gcr.io/cloudsql-docker/gce-proxy:${{ inputs.proxy_version }} \
         /cloud_sql_proxy \
           -credential_file /tmp/gce-cloudsql-proxy/key.json \
           -dir /tmp \
-          -instances=${{ inputs.instance }}=tcp:127.0.0.1:${{ inputs.port }}
+          -instances=${{ inputs.instance }}=tcp:127.0.0.1:${{ inputs.port }})
 
         # wait until connections are accepted
         sleep 3
@@ -54,7 +54,7 @@ runs:
         done
 
         # print container logs
-        docker logs gce-cloudsql-proxy
+        docker logs $CONTAINER
 
         # exit with error code if we couldn't connect
         if [[ $isready -ne 0 ]]; then