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Dockerfile

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+
+FROM python:3.10-slim
+
+WORKDIR /app
+
+COPY . /app
+
+RUN pip install --no-cache-dir gradio
+
+EXPOSE 7860
+
+CMD ["python", "app.py"]

app.py

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+
+import os
+import time
+from pathlib import Path
+
+import gradio as gr
+
+BASE_DIR = Path(__file__).resolve().parent
+
+def load_css() -> str:
+    css_path = BASE_DIR / "style.css"
+    if css_path.exists():
+        return css_path.read_text(encoding="utf-8")
+    return ""
+
+def run_dummy():
+    return "Pipeline executed successfully at " + time.strftime("%H:%M:%S")
+
+css_text = load_css()
+
+with gr.Blocks(title="RX12 Workshop App", css=css_text) as demo:
+
+    gr.Markdown(
+        "# RX12 - Intro to Python and R - Workshop App
+"
+        "*Docker Version – CSS injected via Blocks(css=...)*"
+    )
+
+    with gr.Tab("Pipeline Runner"):
+        btn = gr.Button("Run Pipeline", variant="primary")
+        log = gr.Textbox(label="Execution Log", lines=10)
+        btn.click(run_dummy, outputs=log)
+
+demo.launch(server_name="0.0.0.0", server_port=7860)

style.css

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+
+body {
+    background: linear-gradient(135deg, #1e3c72, #2a5298);
+    min-height: 100vh !important;
+}
+
+.gradio-container {
+    background: rgba(255, 255, 255, 0.92) !important;
+    border-radius: 16px !important;
+    padding: 40px !important;
+}
+
+h1, h2, h3 {
+    font-weight: 700 !important;
+}
+
+button.primary {
+    background-color: #111 !important;
+    color: #fff !important;
+    border-radius: 12px !important;
+}
+
+button.primary:hover {
+    background-color: #333 !important;
+}