chore: Migrate from Poetry to uv, bump dependencies and python version.

Dockerfile

@@ -1,14 +1,19 @@
-FROM python:3.12-alpine as builder
-ARG POETRY_VERSION="1.7.1"
+FROM python:3.13-alpine AS builder
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 
 WORKDIR /app
-RUN apk add --no-cache gcc libffi-dev musl-dev && \
-    pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -q poetry=="${POETRY_VERSION}"
-COPY . .
-RUN poetry config virtualenvs.create false && poetry build -f wheel
 
-FROM python:3.12-alpine
+RUN --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    uv sync --frozen --no-install-project --no-editable
+
+COPY . /app
+
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --frozen --no-editable
+
+FROM python:3.13-alpine
 
 LABEL org.opencontainers.image.source="https://github.com/elisiariocouto/leggen"
 LABEL org.opencontainers.image.authors="Elisiário Couto <elisiario@couto.io>"
@@ -17,8 +22,8 @@ LABEL org.opencontainers.image.title="leggen"
 LABEL org.opencontainers.image.description="An Open Banking CLI"
 LABEL org.opencontainers.image.url="https://github.com/elisiariocouto/leggen"
 
-WORKDIR /app
-COPY --from=builder /app/dist/ /app/
-RUN pip --no-cache-dir install leggen*.whl && \
-    rm leggen*.whl
-ENTRYPOINT ["/usr/local/bin/leggen"]
+# Copy the environment, but not the source code
+COPY --from=builder --chown=app:app /app/.venv /app/.venv
+
+# Run the application
+ENTRYPOINT ["/app/.venv/bin/leggen"]