[FEAT] merge prod and dev Dockerfile

Dockerfile

@@ -1,44 +1,25 @@
 # [Node Stage to get node_modolues and node dependencies]
-FROM node:8.16.0-buster-slim as node_stage
+FROM node:8.16.0-buster-slim as node_base
+# [Python Stage for Django web server]
+FROM python:3.10.14-slim-bullseye as python_base
 
+FROM node_base as node_deps
 COPY ./yarn.lock yarn.lock
 COPY ./package.json package.json
 
 RUN apt-get update
 RUN apt-get install python-pip -y
 
 RUN npm install -g yarn
-RUN yarn install --dev --frozen-lockfile \
- && rm -rf $HOME/.cache/yarn/*
-
-
-# [Python Stage for Django web server]
-FROM python:3.10.14-slim-bullseye as python_stage
-
-ENV PYTHONUNBUFFERED=1 \
- PYTHONDONTWRITEBYTECODE=1 \
- PIP_DISABLE_PIP_VERSION_CHECK=on \
- PIP_DEFAULT_TIMEOUT=100 \
- POETRY_HOME="/opt/poetry" \
- POETRY_VIRTUALENVS_IN_PROJECT=true \
- POETRY_NO_INTERACTION=1
-
-ENV BASE_DIR /usr/local
-ENV APP_DIR $BASE_DIR/app
-
-COPY --from=node_stage /node_modules $APP_DIR/node_modules
-COPY --from=node_stage /usr/local/bin/node /usr/local/bin/node
-
-# make nodejs accessible and executable globally
-ENV NODE_PATH $APP_DIR/node_modules/
-ENV PATH /usr/local/bin:$PATH
+RUN yarn install --dev --frozen-lockfile && yarn cache clean
 
-# Add bin directory used by `pip install --user`
-ENV PATH /home/docker/.local/bin:$PATH
+FROM python_base as python_deps
+ENV APP_DIR /usr/local/app
 
 # Infrastructure tools
 # gettext is used for django to compile .po to .mo files.
 RUN apt-get update
+RUN apt-get upgrade -y 
 RUN apt-get install -y \
  libpq-dev \
  gcc \
@@ -49,24 +30,43 @@ RUN apt-get install -y \
  libxml2-dev \
  libxslt-dev
 
-# APP directory setup
-RUN adduser --system --disabled-login docker \
- && mkdir -p "$BASE_DIR" "$APP_DIR" "$APP_DIR/src/assets" "$APP_DIR/src/media" \
- && chown -R docker:nogroup "$BASE_DIR" "$APP_DIR"
+ENV PYTHONUNBUFFERED=1 \ 
+PIP_DISABLE_PIP_VERSION_CHECK=on \
+PIP_DEFAULT_TIMEOUT=100 \
+POETRY_VIRTUALENVS_IN_PROJECT=true
 
 # Install Poetry
 RUN pip install --no-cache-dir pip==23.3.2 && \
  pip install --no-cache-dir poetry==1.8.2
 
-# Install Python dependencies (only main dependencies)
-COPY --chown=docker:nogroup pyproject.toml poetry.lock ./
-RUN poetry install --no-root && \
+# Install Python dependencies
+COPY pyproject.toml poetry.lock ./
+RUN poetry install --no-root --only main && \
  yes | poetry cache clear --all pypi
 
 # Add poetry bin directory to PATH
 ENV PATH="${WORKDIR}/.venv/bin:$PATH"
 
-# Finally, copy all the project files along with source files
+# Make nodejs accessible and executable globally
+ENV NODE_PATH $APP_DIR/node_modules/
+
+FROM python_deps as dev
+RUN poetry install --no-root --only dev
+
+COPY --from=node_deps /node_modules $APP_DIR/node_modules
+COPY --from=node_deps /usr/local/bin/node /usr/local/bin/node
+
+FROM python_deps as build
+RUN mkdir -p "$APP_DIR" "$APP_DIR/src/assets" "$APP_DIR/src/media"
+
+FROM python_deps as prod
+# APP directory setup
+RUN adduser --system --disabled-login docker
+# Use COPY --chown instead of RUN chown -R directly to avoid increasing image size
+# https://github.com/pycontw/pycon.tw/pull/1194#discussion_r1593319742
+COPY --chown=docker:nogroup --from=build $APP_DIR $APP_DIR
+COPY --chown=docker:nogroup --from=node_deps /node_modules $APP_DIR/node_modules
+COPY --chown=docker:nogroup --from=node_deps /usr/local/bin/node /usr/local/bin/node
 COPY --chown=docker:nogroup ./ $APP_DIR
 
 USER docker

docker-compose-dev.yml

@@ -14,10 +14,11 @@ services:
  container_name: pycontw_dev
  build:
  context: .
- dockerfile: dev.Dockerfile
+ dockerfile: Dockerfile
+ target: dev
  volumes:
- - ./src:/app/src
- - ./logs:/app/logs
+ - ./src:/usr/local/app/src
+ - ./logs:/usr/local/app/logs
  ports:
  - "8000:8000"
  depends_on:
@@ -26,5 +27,5 @@ services:
  - DJANGO_SUPERUSER_USERNAME=admin
  - DJANGO_SUPERUSER_PASSWORD=1234
  - [email protected]
- working_dir: /app/src
+ working_dir: /usr/local/app/src
  command: tail -f /dev/null

docker-compose.yml

@@ -1,7 +1,10 @@
 version: "3.5"
 services:
  web:
- build: .
+ build:
+ context: .
+ dockerfile: Dockerfile
+ target: prod
  container_name: pycontw-2024
  hostname: pycontw-2024
  entrypoint: ""
@@ -37,9 +40,9 @@ services:
  volumes:
  - ${MEDIA_ROOT}:/usr/local/app/src/media
  networks:
- - network
+ - network-2024
 
 networks:
- network:
+ network-2024:
  external: true
  name: network-2024