Add Dockerfile

Dockerfile

@@ -0,0 +1,29 @@
+FROM python:3.12.3-alpine3.18 AS base
+
+FROM base AS builder
+
+ENV PYTHONFAULTHANDLER=1 \
+  PYTHONUNBUFFERED=1 \
+  PYTHONHASHSEED=random \
+  PIP_NO_CACHE_DIR=off \
+  PIP_DISABLE_PIP_VERSION_CHECK=on \
+  PIP_DEFAULT_TIMEOUT=100
+
+# Install uv
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /usr/local/bin/
+
+# System deps:
+RUN apk add build-base unzip wget python3-dev libffi-dev rust cargo openssl-dev
+
+WORKDIR /src
+
+# Generate requirements and install *all* dependencies.
+COPY pyproject.toml uv.lock /src/
+RUN uv export --format requirements-txt --output-file requirements.txt
+RUN pip install --prefix=/runtime --force-reinstall -r requirements.txt
+
+FROM base AS runtime
+COPY --from=builder /runtime /usr/local
+COPY . /app
+WORKDIR /app
+ENTRYPOINT [ "python3", "decrypt_otpauth.py" ]