feat: dockerize

Dockerfile

@@ -0,0 +1,31 @@
+FROM rust:1.90-slim-trixie as builder
+WORKDIR /app
+
+COPY Cargo.toml Cargo.lock ./
+COPY . .
+
+RUN apt-get update -y \
+    && apt-get install -y --no-install-recommends \
+    pkg-config libssl-dev ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN cargo build --release
+
+FROM python:3-slim AS runtime
+FROM python:3.12-slim-trixie
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
+
+ENV TZ=UTC
+ENV RUST_LOG=info
+ENV PATH=/home/app/.local/bin:$PATH
+
+RUN useradd --create-home --shell /bin/bash app
+WORKDIR /home/app
+USER app
+
+RUN uv tool install instaloader \
+    && instaloader --version
+
+COPY --from=builder /app/target/release/tg-relay-rs /usr/local/bin/tg-relay-rs
+
+CMD ["/usr/local/bin/tg-relay-rs"]