infra: added Dockerfile for telegram_bot service

solution/services/telegram_bot/Dockerfile

@@ -0,0 +1,37 @@
+# Stage 1: Install dependencies
+FROM docker.io/python:3.11-alpine3.20 AS builder
+
+COPY --from=ghcr.io/astral-sh/uv:0.4.30 /uv /uvx /bin/
+
+WORKDIR /app
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONOPTIMIZE=2 \
+    UV_COMPILE_BYTECODE=1 \
+    UV_PROJECT_ENVIRONMENT=/opt/venv
+
+COPY pyproject.toml .
+
+RUN uv sync --no-dev --no-install-project --no-cache
+
+
+# Stage 2: Start the application
+FROM docker.io/python:3.11-alpine3.20
+
+WORKDIR /app
+
+COPY --from=builder /opt/venv /opt/venv
+
+COPY . .
+
+RUN adduser -D -g '' app && chown -R app:app ./
+
+USER app
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONOPTIMIZE=2 \
+    PATH="/opt/venv/bin:$PATH"
+
+CMD python main.py