update python

Author: fey

.dockerignore

@@ -0,0 +1,27 @@
+# VCS
+.git
+
+# Python caches
+__pycache__
+**/__pycache__
+*.pyc
+*.pyo
+*.pyd
+
+# Virtual envs
+.venv
+venv/
+ENV/
+
+# Tool caches
+.ruff_cache
+.pytest_cache
+.mypy_cache
+
+# Editors/IDE
+.vscode
+.idea
+
+# OS junk
+.DS_Store
+Thumbs.db

Dockerfile

@@ -1,23 +1,33 @@
 FROM hexletbasics/base-image
 
-# Install pipx using apt to avoid externally-managed Python issues
-RUN apt-get update && apt-get install -y pipx \
-  && pipx ensurepath \
-  && apt-get clean \
-  && rm -rf /var/lib/apt/lists/*
+# Configure versions and paths up front for better caching
+ARG PYTHON_VERSION=3.14
 
-# Update PATH
-ENV PATH="/root/.local/bin:${PATH}"
+# Keep project bin in PATH (existing convention)
 ENV PATH="/exercises-python/bin:${PATH}"
 
-RUN pipx install uv
+# Install curl and CA certs (minimal), then install uv via official script
+ENV UV_INSTALL_DIR=/opt/uv
+ENV PATH="${UV_INSTALL_DIR}/bin:${PATH}"
+RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/* \
+  && curl -fsSL https://astral.sh/uv/install.sh | sh \
+  && ln -s ${UV_INSTALL_DIR}/* /usr/local/bin/
+
+# Create a dedicated virtualenv managed by uv with the requested Python
+ENV VIRTUAL_ENV=/opt/venv
+ENV UV_PYTHON_INSTALL_DIR=${VIRTUAL_ENV}
+RUN uv venv --allow-existing ${VIRTUAL_ENV} --python ${PYTHON_VERSION}
 
-ENV UV_PROJECT_ENVIRONMENT=/usr
+# Activate venv for subsequent steps and point uv to it for project deps
+ENV PATH="${VIRTUAL_ENV}/bin:${PATH}"
+ENV UV_PROJECT_ENVIRONMENT=${VIRTUAL_ENV}
 
 WORKDIR /exercises-python
 
+# Cache dependencies: copy manifests first, sync, then copy the rest
 COPY pyproject.toml uv.lock ./
-
 RUN uv sync --locked
 
 COPY . .