2025 efficient python dockerfile

2025/efficient-python-dockerfile/.dockerignore

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+# Dockerfile
+# Hidden files
+.dockerignore
+.git
+.DS_Store
+.vscode
+
+# Build artifacts
+*.pyc
+*.so
+*.egg
+*.whl
+
+# Local settings
+.env
+.env.local
+.env.development
+.env.test
+.env.production
+local.properties
+
+# IDE files
+.idea
+*.iml
+.classpath
+.project
+
+# Log files
+*.log
+*.err
+
+# Test directories
+test
+tests
+coverage
+.pytest_cache
+
+# Virtual environment
+.venv
+venv

2025/efficient-python-dockerfile/.gitignore

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+__pycache__
+.venv
+.env*
+service-account.json

2025/efficient-python-dockerfile/.python-version

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+3.12

2025/efficient-python-dockerfile/.vscode/settings.json

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+{
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "[python]": {
+    "editor.defaultFormatter": null
+  },
+  "editor.formatOnSaveMode": "file",
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.organizeImports": "always"
+  },
+  "python.languageServer": "Pylance"
+}

2025/efficient-python-dockerfile/Dockerfile.01_original

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+FROM ubuntu
+
+RUN apt-get update && apt-get install -y \
+        build-essential \
+        python3 \
+        curl \
+        ca-certificates && \
+    apt-get clean
+
+RUN curl -sSL https://install.python-poetry.org | python3 -
+
+# Set up the Poetry environment path correctly
+ENV PATH="/root/.local/bin:${PATH}"
+
+# Set environment variables for database and secrets
+ENV DB_PASSWORD=${DB_PASSWORD}
+ENV DB_USER=${DB_USER}
+ENV DB_NAME=${DB_NAME}
+ENV DB_HOST=${DB_HOST}
+ENV ACCESS_TOKEN_SECRET_KEY=${ACCESS_TOKEN_SECRET_KEY}
+
+WORKDIR /app
+
+# Copy the application files into the container
+COPY . .
+
+# Install dependencies with Poetry
+RUN poetry config virtualenvs.in-project true
+RUN poetry install --no-interaction --no-root
+
+# Set up the virtual environment path correctly for the appuser
+ENV PATH="/app/.venv/bin:${PATH}"
+
+# Expose the application port
+EXPOSE $PORT
+
+# Start the FastAPI application using Uvicorn
+CMD ["uvicorn", "src.main:app", "--log-level", "info", "--host", "0.0.0.0" , "--port", "8080"]

2025/efficient-python-dockerfile/Dockerfile.02_betterimg

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+FROM python:slim-bookworm 
+
+RUN apt-get update && apt-get install -y \
+        build-essential \
+        curl \
+        ca-certificates && \
+    apt-get clean
+
+RUN curl -sSL https://install.python-poetry.org | python3 -
+
+# Set up the Poetry environment path correctly
+ENV PATH="/root/.local/bin:${PATH}"
+
+# Set environment variables for database and secrets
+ENV DB_PASSWORD=${DB_PASSWORD}
+ENV DB_USER=${DB_USER}
+ENV DB_NAME=${DB_NAME}
+ENV DB_HOST=${DB_HOST}
+ENV ACCESS_TOKEN_SECRET_KEY=${ACCESS_TOKEN_SECRET_KEY}
+
+WORKDIR /app
+
+# Copy the application files into the container
+COPY . .
+
+# Install dependencies with Poetry
+RUN poetry config virtualenvs.in-project true
+RUN poetry install --no-interaction --no-root
+
+# Set up the virtual environment path correctly for the appuser
+ENV PATH="/app/.venv/bin:${PATH}"
+
+# Expose the application port
+EXPOSE $PORT
+
+# Start the FastAPI application using Uvicorn
+CMD ["uvicorn", "src.main:app", "--log-level", "info", "--host", "0.0.0.0" , "--port", "8080"]

2025/efficient-python-dockerfile/Dockerfile.03_imgtag

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+FROM python:3.13-slim-bookworm
+
+RUN apt-get update && apt-get install -y \
+        build-essential \
+        curl \
+        ca-certificates && \
+    apt-get clean
+
+RUN curl -sSL https://install.python-poetry.org | python3 -
+
+# Set up the Poetry environment path correctly
+ENV PATH="/root/.local/bin:${PATH}"
+
+# Set environment variables for database and secrets
+ENV DB_PASSWORD=${DB_PASSWORD}
+ENV DB_USER=${DB_USER}
+ENV DB_NAME=${DB_NAME}
+ENV DB_HOST=${DB_HOST}
+ENV ACCESS_TOKEN_SECRET_KEY=${ACCESS_TOKEN_SECRET_KEY}
+
+WORKDIR /app
+
+# Copy the application files into the container
+COPY . .
+
+# Install dependencies with Poetry
+RUN poetry config virtualenvs.in-project true
+RUN poetry install --no-interaction --no-root
+
+# Set up the virtual environment path correctly for the appuser
+ENV PATH="/app/.venv/bin:{$PATH}"
+
+# Expose the specified port for FastAPI
+EXPOSE $PORT
+
+# Start the application with Uvicorn in production mode, using environment variable references
+CMD ["uvicorn", "src.main:app", "--log-level", "info", "--host", "0.0.0.0" , "--port", "8080"]
+
+
+

2025/efficient-python-dockerfile/Dockerfile.04_limitdeps

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+FROM python:3.13-slim-bookworm
+
+RUN apt-get update && apt-get install --no-install-recommends -y \
+        build-essential \
+        curl \
+        ca-certificates && \
+    apt-get clean
+
+RUN curl -sSL https://install.python-poetry.org | python3 -
+
+    # Set up the Poetry environment path correctly
+ENV PATH="/root/.local/bin:${PATH}"
+
+# Set environment variables for database and secrets
+ENV DB_PASSWORD=${DB_PASSWORD}
+ENV DB_USER=${DB_USER}
+ENV DB_NAME=${DB_NAME}
+ENV DB_HOST=${DB_HOST}
+ENV ACCESS_TOKEN_SECRET_KEY=${ACCESS_TOKEN_SECRET_KEY}
+
+WORKDIR /app
+
+# Copy the application files into the container
+COPY . .
+
+# Install dependencies with Poetry
+RUN poetry config virtualenvs.in-project true
+RUN poetry install --no-interaction --no-root
+
+ENV PATH="/app/.venv/bin:{$PATH}"
+
+# Expose the specified port for FastAPI
+EXPOSE $PORT
+
+# Start the application with Uvicorn in production mode, using environment variable references
+CMD ["uvicorn", "src.main:app", "--log-level", "info", "--host", "0.0.0.0" , "--port", "8080"]
+
+

2025/efficient-python-dockerfile/Dockerfile.05_cleandeps

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+FROM python:3.13-slim-bookworm
+
+RUN apt-get update && apt-get install --no-install-recommends -y \
+        build-essential \
+        curl \
+        ca-certificates && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+
+RUN curl -sSL https://install.python-poetry.org | python3 -
+
+# Set up the Poetry environment path correctly
+ENV PATH="/root/.local/bin:${PATH}"
+
+# Set environment variables for database and secrets
+ENV DB_PASSWORD=${DB_PASSWORD}
+ENV DB_USER=${DB_USER}
+ENV DB_NAME=${DB_NAME}
+ENV DB_HOST=${DB_HOST}
+ENV ACCESS_TOKEN_SECRET_KEY=${ACCESS_TOKEN_SECRET_KEY}
+
+WORKDIR /app
+
+# Copy the application files into the container
+COPY . .
+
+# Install dependencies with Poetry
+RUN poetry config virtualenvs.in-project true
+RUN poetry install --no-interaction --no-root
+
+ENV PATH="/app/.venv/bin:{$PATH}"
+
+# Expose the specified port for FastAPI
+EXPOSE $PORT
+
+# Start the application with Uvicorn in production mode, using environment variable references
+CMD ["uvicorn", "src.main:app", "--log-level", "info", "--host", "0.0.0.0" , "--port", "8080"]

2025/efficient-python-dockerfile/Dockerfile.06_uv

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+FROM python:3.13-slim-bookworm
+
+RUN apt-get update && apt-get install --no-install-recommends -y \
+        build-essential && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Download the latest installer, install it and then remove it
+ADD https://astral.sh/uv/install.sh /install.sh
+RUN chmod -R 755 /install.sh && /install.sh && rm /install.sh
+
+# Set environment variables for database and secrets
+ENV DB_PASSWORD=${DB_PASSWORD}
+ENV DB_USER=${DB_USER}
+ENV DB_NAME=${DB_NAME}
+ENV DB_HOST=${DB_HOST}
+ENV ACCESS_TOKEN_SECRET_KEY=${ACCESS_TOKEN_SECRET_KEY}
+
+# Set up the UV environment path correctly
+ENV PATH="/root/.local/bin:${PATH}"
+
+WORKDIR /app
+
+COPY . .
+
+RUN uv sync
+
+ENV PATH="/app/.venv/bin:{$PATH}"
+
+# Expose the specified port for FastAPI
+EXPOSE $PORT
+
+# Start the application with Uvicorn in production mode, using environment variable references
+CMD ["uvicorn", "src.main:app", "--log-level", "info", "--host", "0.0.0.0" , "--port", "8080"]

2025/efficient-python-dockerfile/Dockerfile.07_multi

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+## ------------------------------- Builder Stage ------------------------------ ## 
+FROM python:3.13-bookworm AS builder
+
+RUN apt-get update && apt-get install --no-install-recommends -y \
+        build-essential && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Download the latest installer, install it and then remove it
+ADD https://astral.sh/uv/install.sh /install.sh
+RUN chmod -R 655 /install.sh && /install.sh && rm /install.sh
+
+# Set up the UV environment path correctly
+ENV PATH="/root/.local/bin:${PATH}"
+
+WORKDIR /app
+
+COPY ./pyproject.toml .
+
+RUN uv sync
+
+## ------------------------------- Production Stage ------------------------------ ##
+FROM python:3.13-slim-bookworm AS production
+
+# Set environment variables for DB and access token
+ENV DB_PASSWORD=${DB_PASSWORD}
+ENV DB_USER=${DB_USER}
+ENV DB_NAME=${DB_NAME}
+ENV DB_HOST=${DB_HOST}
+ENV ACCESS_TOKEN_SECRET_KEY=${ACCESS_TOKEN_SECRET_KEY}
+
+WORKDIR /app
+
+COPY . .
+COPY --from=builder /app/.venv .venv
+
+# Set up environment variables for production
+ENV PATH="/app/.venv/bin:{$PATH}"
+
+# Expose the specified port for FastAPI
+EXPOSE $PORT
+
+# Start the application with Uvicorn in production mode, using environment variable references
+CMD ["uvicorn", "src.main:app", "--log-level", "info", "--host", "0.0.0.0" , "--port", "8080"]

2025/efficient-python-dockerfile/Dockerfile.08_bettercopy

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+## ------------------------------- Builder Stage ------------------------------ ## 
+FROM python:3.13-bookworm AS builder
+
+RUN apt-get update && apt-get install --no-install-recommends -y \
+        build-essential && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Download the latest installer, install it and then remove it
+ADD https://astral.sh/uv/install.sh /install.sh
+RUN chmod -R 655 /install.sh && /install.sh && rm /install.sh
+
+# Set up the UV environment path correctly
+ENV PATH="/root/.local/bin:${PATH}"
+
+WORKDIR /app
+
+COPY ./pyproject.toml .
+
+RUN uv sync
+
+## ------------------------------- Production Stage ------------------------------ ##
+FROM python:3.13-slim-bookworm AS production
+
+# Set environment variables for DB and access token
+ENV DB_PASSWORD=${DB_PASSWORD}
+ENV DB_USER=${DB_USER}
+ENV DB_NAME=${DB_NAME}
+ENV DB_HOST=${DB_HOST}
+ENV ACCESS_TOKEN_SECRET_KEY=${ACCESS_TOKEN_SECRET_KEY}
+
+WORKDIR /app
+
+COPY /src src
+COPY --from=builder /app/.venv .venv
+
+# Set up environment variables for production
+ENV PATH="/app/.venv/bin:{$PATH}"
+
+# Expose the specified port for FastAPI
+EXPOSE $PORT
+
+# Start the application with Uvicorn in production mode, using environment variable references
+CMD ["uvicorn", "src.main:app", "--log-level", "info", "--host", "0.0.0.0" , "--port", "8080"]