# syntax=docker/dockerfile:1
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ARG NODE_VERSION=22
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ARG PYTHON_VERSION=3.12
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ARG POETRY_VERSION=2.1.4
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ARG VERSION_OVERRIDE
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ARG BRANCH_OVERRIDE
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################################ Overview
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# This Dockerfile builds a Label Studio environment.
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# It consists of three main stages:
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# 1. "frontend-builder" - Compiles the frontend assets using Node.
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# 2. "frontend-version-generator" - Generates version files for frontend sources.
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# 3. "venv-builder" - Prepares the virtualenv environment.
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# 4. "py-version-generator" - Generates version files for python sources.
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# 5. "prod" - Creates the final production image with the Label Studio, Nginx, and other dependencies.
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################################ Stage: frontend-builder (build frontend assets)
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FROM --platform=${BUILDPLATFORM} node:${NODE_VERSION} AS frontend-builder
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WORKDIR /label-studio/web
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COPY web .
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COPY pyproject.toml ../pyproject.toml
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################################ Stage: venv-builder (prepare the virtualenv)
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FROM python:${PYTHON_VERSION}-slim AS venv-builder
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ARG POETRY_VERSION
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ENV PYTHONUNBUFFERED=1 \
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PYTHONDONTWRITEBYTECODE=1 \
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PIP_NO_CACHE_DIR=off \
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PIP_DISABLE_PIP_VERSION_CHECK=on \
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PIP_DEFAULT_TIMEOUT=100 \
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PIP_CACHE_DIR="/.cache" \
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POETRY_CACHE_DIR="/.poetry-cache" \
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POETRY_HOME="/opt/poetry" \
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POETRY_VIRTUALENVS_IN_PROJECT=true \
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PATH="/opt/poetry/bin:$PATH"
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ADD https://install.python-poetry.org /tmp/install-poetry.py
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RUN python /tmp/install-poetry.py
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RUN --mount=type=cache,target="/var/cache/apt",sharing=locked \
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--mount=type=cache,target="/var/lib/apt/lists",sharing=locked \
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set -eux; \
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apt-get update; \
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apt-get install --no-install-recommends -y \
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build-essential git; \
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apt-get autoremove -y
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WORKDIR /label-studio
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ENV VENV_PATH="/label-studio/.venv"
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ENV PATH="$VENV_PATH/bin:$PATH"
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## Starting from this line all packages will be installed in $VENV_PATH
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# Copy dependency files
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COPY pyproject.toml poetry.lock README.md ./
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# Install dependencies without dev packages
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RUN --mount=type=cache,target=$POETRY_CACHE_DIR,sharing=locked \
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poetry check --lock && poetry install --no-root --without test --extras uwsgi
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# Install LS
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COPY label_studio label_studio
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RUN --mount=type=cache,target=$POETRY_CACHE_DIR,sharing=locked \
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# `--extras uwsgi` is mandatory here due to poetry bug: https://github.com/python-poetry/poetry/issues/7302
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poetry install --only-root --extras uwsgi && \
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python3 label_studio/manage.py collectstatic --no-input
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################################ Stage: py-version-generator
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FROM venv-builder AS py-version-generator
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ARG VERSION_OVERRIDE
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ARG BRANCH_OVERRIDE
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# Create version_.py and ls-version_.py
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RUN --mount=type=bind,source=.git,target=./.git \
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VERSION_OVERRIDE=${VERSION_OVERRIDE} BRANCH_OVERRIDE=${BRANCH_OVERRIDE} poetry run python label_studio/core/version.py
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################################### Stage: prod
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FROM python:${PYTHON_VERSION}-slim AS production
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ENV LS_DIR=/label-studio \
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HOME=/label-studio \
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LABEL_STUDIO_BASE_DATA_DIR=/label-studio/data \
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OPT_DIR=/opt/heartex/instance-data/etc \
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PATH="/label-studio/.venv/bin:$PATH" \
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DJANGO_SETTINGS_MODULE=core.settings.label_studio \
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PYTHONUNBUFFERED=1 \
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PYTHONDONTWRITEBYTECODE=1
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WORKDIR $LS_DIR
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# install prerequisites for app
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RUN --mount=type=cache,target="/var/cache/apt",sharing=locked \
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--mount=type=cache,target="/var/lib/apt/lists",sharing=locked \
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set -eux; \
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apt-get update; \
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apt-get upgrade -y; \
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apt-get install --no-install-recommends -y libexpat1 \
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gnupg2 curl; \
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apt-get autoremove -y
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# install nginx
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RUN --mount=type=cache,target="/var/cache/apt",sharing=locked \
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--mount=type=cache,target="/var/lib/apt/lists",sharing=locked \
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set -eux; \
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curl -sSL https://nginx.org/keys/nginx_signing.key | gpg --dearmor -o /etc/apt/keyrings/nginx-archive-keyring.gpg >/dev/null; \
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DEBIAN_VERSION=$(awk -F '=' '/^VERSION_CODENAME=/ {print $2}' /etc/os-release); \
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printf "deb [signed-by=/etc/apt/keyrings/nginx-archive-keyring.gpg] http://nginx.org/packages/debian ${DEBIAN_VERSION} nginx\n" > /etc/apt/sources.list.d/nginx.list; \
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printf "Package: *\nPin: origin nginx.org\nPin: release o=nginx\nPin-Priority: 900\n" > /etc/apt/preferences.d/99nginx; \
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apt-get update; \
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apt-get install --no-install-recommends -y nginx; \
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apt-get autoremove -y
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RUN set -eux; \
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mkdir -p $LS_DIR $LABEL_STUDIO_BASE_DATA_DIR $OPT_DIR && \
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chown -R 1001:0 $LS_DIR $LABEL_STUDIO_BASE_DATA_DIR $OPT_DIR /var/log/nginx /etc/nginx
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COPY --chown=1001:0 deploy/default.conf /etc/nginx/nginx.conf
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# Copy essential files for installing Label Studio and its dependencies
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COPY --chown=1001:0 pyproject.toml .
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COPY --chown=1001:0 poetry.lock .
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COPY --chown=1001:0 README.md .
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COPY --chown=1001:0 LICENSE LICENSE
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COPY --chown=1001:0 licenses licenses
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COPY --chown=1001:0 deploy deploy
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# Copy files from build stages
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COPY --chown=1001:0 --from=venv-builder $LS_DIR $LS_DIR
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COPY --chown=1001:0 --from=py-version-generator $LS_DIR/label_studio/core/version_.py $LS_DIR/label_studio/core/version_.py
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COPY --chown=1001:0 --from=frontend-builder $LS_DIR/web/dist $LS_DIR/web/dist
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USER 1001
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EXPOSE 8080
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ENTRYPOINT ["./deploy/docker-entrypoint.sh"]
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CMD ["label-studio"]
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