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ci: PLT-983: Migrate to alpine base image #9108

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ci: PLT-983: Migrate to alpine base image
nikitabelonogov Jan 2, 2026
d1c348a
Merge branch 'develop' into 'ci-PLT-983'
farioas Jan 6, 2026
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58 changes: 33 additions & 25 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -16,20 +16,28 @@ ARG BRANCH_OVERRIDE
# 5. "prod" - Creates the final production image with the Label Studio, Nginx, and other dependencies.

################################ Stage: frontend-builder (build frontend assets)
FROM --platform=${BUILDPLATFORM} node:${NODE_VERSION}-trixie AS frontend-builder
FROM --platform=${BUILDPLATFORM} node:${NODE_VERSION}-alpine AS frontend-builder
ENV BUILD_NO_SERVER=true \
BUILD_NO_HASH=true \
BUILD_NO_CHUNKS=true \
BUILD_MODULE=true \
YARN_CACHE_FOLDER=/root/web/.yarn \
NX_CACHE_DIRECTORY=/root/web/.nx \
NODE_ENV=production
NODE_ENV=production \
NODE_OPTIONS="--max-old-space-size=4096"

WORKDIR /label-studio/web

# Fix Docker Arm64 Build
RUN yarn config set registry https://registry.npmjs.org/
RUN yarn config set network-timeout 1200000 # HTTP timeout used when downloading packages, set to 20 minutes
RUN apk add --no-cache \
build-base \
pkgconfig \
cairo-dev \
giflib-dev \
libjpeg-turbo-dev \
libpng-dev \
pango-dev \
git \
python3

COPY web/package.json .
COPY web/yarn.lock .
Expand All @@ -52,8 +60,9 @@ RUN --mount=type=cache,target=/root/web/.yarn,id=yarn-cache,sharing=locked \
yarn version:libs

################################ Stage: venv-builder (prepare the virtualenv)
FROM python:${PYTHON_VERSION}-slim-trixie AS venv-builder
FROM python:${PYTHON_VERSION}-alpine AS venv-builder
ARG POETRY_VERSION
ARG PYTHON_VERSION

ENV PYTHONUNBUFFERED=1 \
PYTHONDONTWRITEBYTECODE=1 \
Expand All @@ -67,17 +76,16 @@ ENV PYTHONUNBUFFERED=1 \
POETRY_VIRTUALENVS_PREFER_ACTIVE_PYTHON=true \
PATH="/opt/poetry/bin:$PATH"

RUN apk add --no-cache \
build-base \
git \
linux-headers \
python3-dev \
pcre2-dev

ADD https://install.python-poetry.org /tmp/install-poetry.py
RUN python /tmp/install-poetry.py

RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
--mount=type=cache,target=/var/lib/apt/lists,sharing=locked \
set -eux; \
apt-get update; \
apt-get install --no-install-recommends -y \
build-essential git; \
apt-get autoremove -y

WORKDIR /label-studio

ENV VENV_PATH="/label-studio/.venv"
Expand All @@ -92,7 +100,7 @@ COPY pyproject.toml poetry.lock README.md ./
ARG INCLUDE_DEV=false

# Install dependencies
RUN --mount=type=cache,target=/.poetry-cache,id=poetry-cache,sharing=locked \
RUN --mount=type=cache,target=/.poetry-cache,id=poetry-cache-alpine,sharing=locked \
poetry check --lock && \
if [ "$INCLUDE_DEV" = "true" ]; then \
poetry install --no-root --extras uwsgi --with test; \
Expand All @@ -102,7 +110,7 @@ RUN --mount=type=cache,target=/.poetry-cache,id=poetry-cache,sharing=locked \

# Install LS
COPY label_studio label_studio
RUN --mount=type=cache,target=/.poetry-cache,id=poetry-cache,sharing=locked \
RUN --mount=type=cache,target=/.poetry-cache,id=poetry-cache-alpine,sharing=locked \
# `--extras uwsgi` is mandatory here due to poetry bug: https://github.com/python-poetry/poetry/issues/7302
poetry install --only-root --extras uwsgi && \
python3 label_studio/manage.py collectstatic --no-input
Expand All @@ -117,7 +125,7 @@ RUN --mount=type=bind,source=.git,target=./.git \
VERSION_OVERRIDE=${VERSION_OVERRIDE} BRANCH_OVERRIDE=${BRANCH_OVERRIDE} poetry run python label_studio/core/version.py

################################### Stage: prod
FROM python:${PYTHON_VERSION}-slim-trixie AS production
FROM python:${PYTHON_VERSION}-alpine AS production

ENV LS_DIR=/label-studio \
HOME=/label-studio \
Expand All @@ -131,14 +139,14 @@ ENV LS_DIR=/label-studio \
WORKDIR $LS_DIR

# install prerequisites for app
RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
--mount=type=cache,target=/var/lib/apt/lists,sharing=locked \
set -eux; \
apt-get update; \
apt-get upgrade -y; \
apt-get install --no-install-recommends -y libexpat1 libgl1 libglx-mesa0 libglib2.0-0t64 \
gnupg2 curl nginx; \
apt-get autoremove -y
RUN apk add --no-cache \
expat \
mesa-gl \
glib \
curl \
nginx \
bash \
procps

RUN set -eux; \
mkdir -p $LS_DIR $LABEL_STUDIO_BASE_DATA_DIR $OPT_DIR && \
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