Add Dockerfile for Streamlit on port 7860

Dockerfile

@@ -0,0 +1,19 @@
+# Archery Tether Propulsion Systems - Docker Space
+# Streamlit app for observatory interface
+
+FROM python:3.10-slim
+
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+WORKDIR /app
+
+COPY --chown=user ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+COPY --chown=user . /app
+
+EXPOSE 7860
+
+CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0", "--server.headless=true"]

requirements.txt

@@ -1,5 +1,8 @@
 # Archery Tether Propulsion Systems - Dependencies
 
+# Streamlit UI
+streamlit>=1.30.0
+
 # Core Physics Engine
 numpy>=1.24.0
 scipy>=1.11.0