Create httpserver

scripts/httpserver/Dockerfile

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+FROM python:3.9-alpine
+
+WORKDIR /usr/src/app
+
+COPY echo.py ./
+
+ENTRYPOINT ["python", "./echo.py"]

scripts/httpserver/echo.py

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+#!/usr/bin/env python3
+#pylint:disable=missing-docstring,invalid-name
+
+import argparse
+from http.server import HTTPServer, BaseHTTPRequestHandler
+import json
+import sys
+
+HOST = "0.0.0.0"
+
+def log(data):
+    print(data, flush=True)
+
+class CORSRequestHandler(BaseHTTPRequestHandler):
+    def end_headers(self):
+        self.send_header("Access-Control-Allow-Methods", "POST, GET, OPTIONS")
+        self.send_header("Access-Control-Allow-Origin", "*")
+        self.send_header("Access-Control-Allow-Headers", "*")
+        BaseHTTPRequestHandler.end_headers(self)
+
+    def do_OPTIONS(self):
+        self.send_response(200)
+        self.end_headers()
+
+    def do_GET(self):
+        """Respond to a GET request."""
+        if self.path == "/echo_headers":
+            self.send_response(200)
+            self.send_header("Content-type", "text/plain")
+            self.send_header('Content-type', 'application/json')
+            self.end_headers()
+            body = {
+                "request_headers": dict(self.headers)
+            }
+            self.wfile.write(json.dumps(body, sort_keys=True).encode())
+        else:
+            self.send_response(404)
+            self.wfile.write("404. Try /echo_headers".encode())
+
+    def do_POST(self):
+        self.do_GET()
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--port",
+        help="Port to listen on",
+        type=int,
+        default=5555)
+    args = parser.parse_args()
+    httpd = HTTPServer((HOST, args.port), CORSRequestHandler)
+    log("Starting server at {}:{}".format(HOST, args.port))
+    httpd.serve_forever()
+    log("Running now.")

scripts/httpserver/start.sh

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+#!/bin/bash
+set -o errexit -o nounset -o pipefail
+command -v shellcheck >/dev/null && shellcheck "$0"
+
+# Please keep this in sync with the Ports overview in HACKING.md
+DEFAULT_PORT_GUEST="5555"
+DEFAULT_PORT_HOST="5555"
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+HTTPSERVER_DIR=$(mktemp -d "${TMPDIR:-/tmp}/httpserver.XXXXXXXXX")
+export HTTPSERVER_DIR
+echo "HTTPSERVER_DIR = $HTTPSERVER_DIR"
+
+IMAGE_NAME="httpserver:local"
+CONTAINER_NAME="httpserver"
+
+LOGFILE_DEFAULT="${HTTPSERVER_DIR}/httpserver_$DEFAULT_PORT_HOST.log"
+
+docker build -t "$IMAGE_NAME" "$SCRIPT_DIR"
+
+docker run --rm \
+  --user="$UID" \
+  --name "$CONTAINER_NAME" \
+  -p "$DEFAULT_PORT_HOST:$DEFAULT_PORT_GUEST" \
+  "$IMAGE_NAME" \
+  >"$LOGFILE_DEFAULT" &
+
+# Debug start
+sleep 3
+cat "$LOGFILE_DEFAULT"

scripts/httpserver/stop.sh

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+#!/bin/bash
+set -o errexit -o nounset -o pipefail
+command -v shellcheck >/dev/null && shellcheck "$0"
+
+CONTAINER_NAME="httpserver"
+
+echo "Killing socketserver containers ..."
+docker container kill "$CONTAINER_NAME"