Add stub repository structure

README.md

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+# My Swagger Service
+
+Minimal repo to test Jenkins pipeline with buf + docker.

buf.yaml

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+version: v1
+name: buf.build/example/my-swagger-service

bug.gen.yaml

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+version: v1
+plugins:
+  - plugin: buf.build/grpc-ecosystem/openapiv2
+    out: deployments/docker
+    opt: logtostderr=true

deployments/docker/Dockerfile

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+FROM nginx:alpine
+
+COPY openapi.yaml /usr/share/nginx/html/openapi.yaml

protos/service.proto

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+syntax = "proto3";
+
+package example;
+
+service HelloService {
+  rpc SayHello (HelloRequest) returns (HelloReply);
+}
+
+message HelloRequest {
+  string name = 1;
+}
+
+message HelloReply {
+  string message = 1;
+}

scripts/process_openapiv2.py

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+import shutil
+import os
+
+
+def main():
+    src = 'deployments/docker/openapiv2.json'
+    dst = 'deployments/docker/openapi.yaml'
+    print("Simulating OpenAPI v2 to v3 conversion...")
+    if os.path.exists(src):
+        shutil.copyfile(src, dst)
+    else:
+        with open(dst, 'w') as f:
+            f.write('# dummy OpenAPI v3 content\nopenapi: 3.0.0\ninfo:\n  title: Example\n  version: 1.0.0\n')
+
+
+if __name__ == '__main__':
+    main()