diff --git a/.gitignore b/.gitignore
index b3eb4c17b7..6a888d4651 100644
--- a/.gitignore
+++ b/.gitignore
@@ -107,6 +107,7 @@ result*
 .vscode
 **/.idea/
 .temp/
+tests/tmp/
 
 # std
 .std
diff --git a/tests/Earthfile b/tests/Earthfile
new file mode 100644
index 0000000000..6648477e76
--- /dev/null
+++ b/tests/Earthfile
@@ -0,0 +1,27 @@
+VERSION 0.7
+
+FROM debian:stable-slim
+
+# BASH, CURL, GPG, NODEJS, NPM, JRE
+dependencies:
+    RUN apt-get update
+    RUN apt-get install bash
+    RUN apt-get install curl -y
+    RUN apt-get install gpg -y
+    RUN curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+    RUN apt-get install nodejs -y
+    RUN apt-get install npm -y
+    RUN apt-get install default-jre -y
+
+generate-client:
+    FROM +dependencies
+
+    # TODO(@nicopado): Get the correct file from openapi doc generation target - https://github.com/input-output-hk/catalyst-core/issues/589
+    ARG openapispec_file="./petstore.yaml"
+    COPY $openapispec_file .
+
+    RUN npm install @openapitools/openapi-generator-cli -g
+
+    RUN openapi-generator-cli validate -i $openapispec_file
+
+    RUN openapi-generator-cli generate -i $openapispec_file -g rust -o ./tmp/client/ --package-name cat-data-service-client
\ No newline at end of file