pszponder · January 25, 2024 05:50 · Feb 21, 2023 · Feb 20, 2023 · Feb 20, 2023 · Feb 20, 2023
diff --git a/Dockerfile b/Dockerfile
@@ -1,3 +1,6 @@
+# syntax=docker/dockerfile:1
+# Keep this syntax directive! It's used to enable Docker BuildKit
+
 # Based on https://github.com/python-poetry/poetry/discussions/1879?sort=top#discussioncomment-216865
 # but I try to keep it updated (see history)
 

diff --git a/Dockerfile b/Dockerfile
@@ -13,7 +13,6 @@ ENV PYTHONUNBUFFERED=1 \
     PYTHONDONTWRITEBYTECODE=1 \
     \
     # pip
-    PIP_NO_CACHE_DIR=off \
     PIP_DISABLE_PIP_VERSION_CHECK=on \
     PIP_DEFAULT_TIMEOUT=100 \
     \
@@ -51,14 +50,18 @@ RUN apt-get update \
         build-essential
 
 # install poetry - respects $POETRY_VERSION & $POETRY_HOME
-RUN curl -sSL https://install.python-poetry.org | python3 -
+# The --mount will mount the buildx cache directory to where 
+# Poetry and Pip store their cache so that they can re-use it
+RUN --mount=type=cache,target=/root/.cache \
+    curl -sSL https://install.python-poetry.org | python3 -
 
 # copy project requirement files here to ensure they will be cached.
 WORKDIR $PYSETUP_PATH
 COPY poetry.lock pyproject.toml ./
 
 # install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
-RUN poetry install --without=dev
+RUN --mount=type=cache,target=/root/.cache \
+    poetry install --without=dev
 
 
 ################################
@@ -74,7 +77,8 @@ COPY --from=builder-base $POETRY_HOME $POETRY_HOME
 COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
 
 # quicker install as runtime deps are already installed
-RUN poetry install --with=dev
+RUN --mount=type=cache,target=/root/.cache \
+    poetry install --with=dev
 
 # will become mountpoint of our code
 WORKDIR /app

diff --git a/Dockerfile b/Dockerfile
@@ -58,7 +58,7 @@ WORKDIR $PYSETUP_PATH
 COPY poetry.lock pyproject.toml ./
 
 # install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
-RUN poetry install --no-dev
+RUN poetry install --without=dev
 
 
 ################################

diff --git a/Dockerfile b/Dockerfile
@@ -1,7 +1,10 @@
 # Based on https://github.com/python-poetry/poetry/discussions/1879?sort=top#discussioncomment-216865
 # but I try to keep it updated (see history)
 
-# `python-base` sets up all our shared environment variables
+################################
+# PYTHON-BASE
+# Sets up all our shared environment variables
+################################
 FROM python:3.9-slim as python-base
 
     # python
@@ -35,7 +38,10 @@ ENV PYTHONUNBUFFERED=1 \
 ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"
 
 
-# `builder-base` stage is used to build deps + create our virtual environment
+################################
+# BUILDER-BASE
+# Used to build deps + create our virtual environment
+################################
 FROM python-base as builder-base
 RUN apt-get update \
     && apt-get install --no-install-recommends -y \
@@ -55,7 +61,10 @@ COPY poetry.lock pyproject.toml ./
 RUN poetry install --no-dev
 
 
-# `development` image is used during development / testing
+################################
+# DEVELOPMENT
+# Image used during development / testing
+################################
 FROM python-base as development
 ENV FASTAPI_ENV=development
 WORKDIR $PYSETUP_PATH
@@ -65,7 +74,7 @@ COPY --from=builder-base $POETRY_HOME $POETRY_HOME
 COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
 
 # quicker install as runtime deps are already installed
-RUN poetry install
+RUN poetry install --with=dev
 
 # will become mountpoint of our code
 WORKDIR /app
@@ -74,7 +83,10 @@ EXPOSE 8000
 CMD ["uvicorn", "--reload", "main:app"]
 
 
-# `production` image used for runtime
+################################
+# PRODUCTION
+# Final image used for runtime
+################################
 FROM python-base as production
 ENV FASTAPI_ENV=production
 COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH

diff --git a/Dockerfile b/Dockerfile
@@ -2,7 +2,7 @@
 # but I try to keep it updated (see history)
 
 # `python-base` sets up all our shared environment variables
-FROM python:3.8.1-slim as python-base
+FROM python:3.9-slim as python-base
 
     # python
 ENV PYTHONUNBUFFERED=1 \
@@ -16,7 +16,7 @@ ENV PYTHONUNBUFFERED=1 \
     \
     # poetry
     # https://python-poetry.org/docs/configuration/#using-environment-variables
-    POETRY_VERSION=1.0.3 \
+    POETRY_VERSION=1.3.2 \
     # make poetry install to this location
     POETRY_HOME="/opt/poetry" \
     # make poetry create the virtual environment in the project's root
@@ -45,7 +45,7 @@ RUN apt-get update \
         build-essential
 
 # install poetry - respects $POETRY_VERSION & $POETRY_HOME
-RUN curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python
+RUN curl -sSL https://install.python-poetry.org | python3 -
 
 # copy project requirement files here to ensure they will be cached.
 WORKDIR $PYSETUP_PATH

diff --git a/Dockerfile b/Dockerfile
@@ -0,0 +1,83 @@
+# Based on https://github.com/python-poetry/poetry/discussions/1879?sort=top#discussioncomment-216865
+# but I try to keep it updated (see history)
+
+# `python-base` sets up all our shared environment variables
+FROM python:3.8.1-slim as python-base
+
+    # python
+ENV PYTHONUNBUFFERED=1 \
+    # prevents python creating .pyc files
+    PYTHONDONTWRITEBYTECODE=1 \
+    \
+    # pip
+    PIP_NO_CACHE_DIR=off \
+    PIP_DISABLE_PIP_VERSION_CHECK=on \
+    PIP_DEFAULT_TIMEOUT=100 \
+    \
+    # poetry
+    # https://python-poetry.org/docs/configuration/#using-environment-variables
+    POETRY_VERSION=1.0.3 \
+    # make poetry install to this location
+    POETRY_HOME="/opt/poetry" \
+    # make poetry create the virtual environment in the project's root
+    # it gets named `.venv`
+    POETRY_VIRTUALENVS_IN_PROJECT=true \
+    # do not ask any interactive question
+    POETRY_NO_INTERACTION=1 \
+    \
+    # paths
+    # this is where our requirements + virtual environment will live
+    PYSETUP_PATH="/opt/pysetup" \
+    VENV_PATH="/opt/pysetup/.venv"
+
+
+# prepend poetry and venv to path
+ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"
+
+
+# `builder-base` stage is used to build deps + create our virtual environment
+FROM python-base as builder-base
+RUN apt-get update \
+    && apt-get install --no-install-recommends -y \
+        # deps for installing poetry
+        curl \
+        # deps for building python deps
+        build-essential
+
+# install poetry - respects $POETRY_VERSION & $POETRY_HOME
+RUN curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python
+
+# copy project requirement files here to ensure they will be cached.
+WORKDIR $PYSETUP_PATH
+COPY poetry.lock pyproject.toml ./
+
+# install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
+RUN poetry install --no-dev
+
+
+# `development` image is used during development / testing
+FROM python-base as development
+ENV FASTAPI_ENV=development
+WORKDIR $PYSETUP_PATH
+
+# copy in our built poetry + venv
+COPY --from=builder-base $POETRY_HOME $POETRY_HOME
+COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
+
+# quicker install as runtime deps are already installed
+RUN poetry install
+
+# will become mountpoint of our code
+WORKDIR /app
+
+EXPOSE 8000
+CMD ["uvicorn", "--reload", "main:app"]
+
+
+# `production` image used for runtime
+FROM python-base as production
+ENV FASTAPI_ENV=production
+COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
+COPY ./app /app/
+WORKDIR /app
+CMD ["gunicorn", "-k", "uvicorn.workers.UvicornWorker", "main:app"]
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