# Dockerfile for Live Machine Learning Notes repository
FROM python:3.12.13-bookworm
# Set working directory inside the container
WORKDIR /workspace
# Copy repository contents
COPY . /workspace
# Install Python dependencies if a manifest exists (optional)
RUN if [ -f requirements.txt ]; then \
python -m pip install --no-cache-dir -r requirements.txt; \
fi
# Expose port for a lightweight HTTP server to access docs/notebooks
EXPOSE 8000
# Build step: none required for this doc-heavy repository.
# Serve the repository contents over HTTP for quick inspection
CMD ["python", "-m", "http.server", "8000"]
# Ignore version control directories .git/ # Byte-compiled / optimized / DLLs __pycache__/ *.py[cod] # Virtual environments venv/ ENV/ env/ .env/ .venv/ # Dependency directories node_modules/ dist/ build/ # Pytest cache .pytest_cache/ # IDEs and editors .idea/ .vscode/ # Logs and tmp *.log *.tmp *.bak *.orig # macOS .DS_Store
Concerns: No build step: the Dockerfile only copies the repo and serves static files with Python's http.server; it does not build anything from source as requested by the criteria., COPY . /workspace copies the entire build context into the image without a .dockerignore; this can bloat the image and may include unnecessary or sensitive files., The approach is acceptable for quick inspection of docs/notebooks, but for a real build artifact you would typically want a proper build process or a dedicated runtime image.
FROM python:3.12.13-bookworm
# Set working directory inside the container
WORKDIR /workspace
# Copy repository contents
COPY . /workspace
# Ensure we have an up-to-date pip
RUN python -m pip install --no-cache-dir --upgrade pip
# Build step: generate a simple index.html listing repository files
RUN python - <<'PY'
import os
files_dir = 'files'
html_lines = ["<html><head><meta charset=\\"UTF-8\\"><title>Live ML Notes</title></head><body><h1>Live Machine Learning Class Notes</h1><ul>"]
if os.path.isdir(files_dir):
for fname in sorted(os.listdir(files_dir)):
full = os.path.join(files_dir, fname)
if os.path.isfile(full):
html_lines.append(f'<li><a href="{full}">{fname}</a></li>')
html_lines.append('</ul></body></html>')
with open('index.html', 'w', encoding='utf-8') as f:
f.write('\n'.join(html_lines))
PY
# Expose port for a lightweight HTTP server to access docs/notebooks
EXPOSE 8000
# Serve the repository contents over HTTP for quick inspection
CMD ["python", "-m", "http.server", "8000"]
- Exact error message and exit code
- SyntaxError: unexpected character after line continuation character
- exit code: 1
- Failing command/step
- [5/5] RUN python - <<'PY'
... (here-doc with a Python script to generate index.html)
did not complete successfully: exit code: 1
- Missing packages or files mentioned
- None mentioned in the error output
- Version mismatch info
- Base image: python:3.12.13-bookworm (sha256:b06e8541b66390dbe26e635448bfa51b6dd15cdc4d79c5dfd9cacdac8ec5ab91)
- Pip upgrade occurred during the RUN:
- Initially: Requirement already satisfied: pip in /usr/local/lib/python3.12/site-packages (25.0.1)
- After upgrade: Successfully installed pip-26.0.1FROM python:3.12.13-bookworm
# Set working directory inside the container
WORKDIR /workspace
# Copy repository contents
COPY . /workspace
# Ensure we have an up-to-date pip
RUN python -m pip install --no-cache-dir --upgrade pip
# Build step: generate a simple index.html listing repository files
RUN python - <<'PY'
import os
files_dir = 'files'
html_lines = ["<html><head><meta charset=\\"UTF-8\\"><title>Live ML Notes</title></head><body><h1>Live Machine Learning Class Notes</h1><ul>"]
if os.path.isdir(files_dir):
for fname in sorted(os.listdir(files_dir)):
full = os.path.join(files_dir, fname)
if os.path.isfile(full):
html_lines.append(f'<li><a href="{full}">{fname}</a></li>')
html_lines.append('</ul></body></html>')
with open('index.html', 'w', encoding='utf-8') as f:
f.write('\n'.join(html_lines))
PY
# Expose port for a lightweight HTTP server to access docs/notebooks
EXPOSE 8000
# Serve the repository contents over HTTP for quick inspection
CMD ["python", "-m", "http.server", "8000"]
FROM python:3.12.13-bookworm
# Set working directory inside the container
WORKDIR /workspace
# Copy repository contents
COPY . /workspace
# Ensure we have an up-to-date pip
RUN python -m pip install --no-cache-dir --upgrade pip
# Build step: generate a simple index.html listing repository files
RUN python - <<'PY'
import os
files_dir = "files"
lines = ['<html><head><meta charset="UTF-8"></head><body><h1>Live Machine Learning Class Notes</h1><ul>']
if os.path.isdir(files_dir):
for fname in sorted(os.listdir(files_dir)):
full = os.path.join(files_dir, fname)
if os.path.isfile(full):
lines.append(f'<li><a href="{full}">{fname}</a></li>')
lines.append('</ul></body></html>')
with open('index.html', 'w', encoding='utf-8') as f:
f.write('\n'.join(lines))
PY
# Expose port for a lightweight HTTP server to access docs/notebooks
EXPOSE 8000
# Serve the repository contents over HTTP for quick inspection
CMD ["python", "-m", "http.server", "8000"]
Smoke [PASS]: test -f index.html
Smoke [PASS]: python -m http.server 8000 & PID=$!; sleep 0.5; python -c 'import urllib.request; urllib.request.urlopen("http://127.0.0.1:8000/index.html"); print("ok")' ; kill $PID