Add Dockerfile, .dockerignore, and render.yaml for Render deployment

Author: LEANDERANTONY

.dockerignore

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+.env
+.git
+.github
+.pytest_cache
+.venv
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+*.log
+DEVLOG.md
+docs/pdf_rendered
+tests

Dockerfile

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+FROM python:3.11-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    UV_PROJECT_ENVIRONMENT=/app/.venv \
+    PATH="/app/.venv/bin:${PATH}" \
+    STREAMLIT_SERVER_HEADLESS=true
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    fonts-dejavu-core \
+    fonts-liberation \
+    libatk1.0-0 \
+    libcairo2 \
+    libgdk-pixbuf-2.0-0 \
+    libglib2.0-0 \
+    libharfbuzz0b \
+    libjpeg62-turbo \
+    libpango-1.0-0 \
+    libpangocairo-1.0-0 \
+    libxml2 \
+    libxslt1.1 \
+    shared-mime-info \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN pip install uv
+
+COPY pyproject.toml uv.lock ./
+RUN uv sync --frozen --no-dev
+
+COPY . .
+
+CMD ["sh", "-c", "streamlit run app.py --server.address 0.0.0.0 --server.port ${PORT:-8501}"]

render.yaml

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+services:
+  - type: web
+    name: ai-job-application-agent
+    runtime: docker
+    plan: free
+    autoDeploy: true
+    healthCheckPath: /
+    dockerfilePath: ./Dockerfile
+    envVars:
+      - key: PYTHONUNBUFFERED
+        value: "1"
+      - key: STREAMLIT_SERVER_HEADLESS
+        value: "true"
+      - key: AUTH_REQUIRED_FOR_ASSISTED_WORKFLOW
+        value: "true"
+      - key: AUTH_DEFAULT_PLAN_TIER
+        value: "free"
+      - key: AUTH_DEFAULT_ACCOUNT_STATUS
+        value: "active"
+      - key: SAVED_WORKSPACE_TTL_HOURS
+        value: "24"
+      - key: SUPABASE_APP_USERS_TABLE
+        value: app_users
+      - key: SUPABASE_USAGE_EVENTS_TABLE
+        value: usage_events
+      - key: SUPABASE_SAVED_WORKSPACES_TABLE
+        value: saved_workspaces