Synthonyx CI

Pull the image from the command line:

docker pull cr.synthonyx.com/synthonyx/healthchecks:v4.2-s1

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sha256:ba406c95268830947b9b217859ca009d5be9a742afc42b517272de7ac20fe70e

For more information on the Container registry, see the documentation.

Open-source cron job and background task monitoring service, written in Python & Django

# debian.sh --arch 'amd64' out/ 'trixie' '@1776729600'

ENV PATH=/usr/local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

RUN /bin/sh -c set -eux; apt-get update; apt-get install -y --no-install-recommends ca-certificates netbase tzdata ; apt-get dist-clean # buildkit

ENV PYTHON_VERSION=3.14.4

ENV PYTHON_SHA256=d923c51303e38e249136fc1bdf3568d56ecb03214efdef48516176d3d7faaef8

RUN /bin/sh -c set -eux; savedAptMark="$(apt-mark showmanual)"; apt-get update; apt-get install -y --no-install-recommends dpkg-dev gcc gnupg libbluetooth-dev libbz2-dev libc6-dev libdb-dev libffi-dev libgdbm-dev liblzma-dev libncursesw5-dev libreadline-dev libsqlite3-dev libssl-dev libzstd-dev make tk-dev uuid-dev wget xz-utils zlib1g-dev ; wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz"; echo "$PYTHON_SHA256 *python.tar.xz" | sha256sum -c -; mkdir -p /usr/src/python; tar --extract --directory /usr/src/python --strip-components=1 --file python.tar.xz; rm python.tar.xz; cd /usr/src/python; gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; ./configure --build="$gnuArch" --enable-loadable-sqlite-extensions --enable-optimizations --enable-option-checking=fatal --enable-shared $(test "${gnuArch%%-*}" != 'riscv64' && echo '--with-lto') --with-ensurepip ; nproc="$(nproc)"; EXTRA_CFLAGS="$(dpkg-buildflags --get CFLAGS)"; LDFLAGS="$(dpkg-buildflags --get LDFLAGS)"; LDFLAGS="${LDFLAGS:-} -Wl,--strip-all"; arch="$(dpkg --print-architecture)"; arch="${arch##*-}"; case "$arch" in amd64|arm64) EXTRA_CFLAGS="${EXTRA_CFLAGS:-} -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer"; ;; i386) ;; *) EXTRA_CFLAGS="${EXTRA_CFLAGS:-} -fno-omit-frame-pointer"; ;; esac; make -j "$nproc" "EXTRA_CFLAGS=${EXTRA_CFLAGS:-}" "LDFLAGS=${LDFLAGS:-}" ; rm python; make -j "$nproc" "EXTRA_CFLAGS=${EXTRA_CFLAGS:-}" "LDFLAGS=${LDFLAGS:-} -Wl,-rpath='\$\$ORIGIN/../lib'" python ; make install; cd /; rm -rf /usr/src/python; find /usr/local -depth $ \( -type d -a \( -name test -o -name tests -o -name idle_test $ \) -o $ -type f -a \( -name '*.pyc' -o -name '*.pyo' -o -name 'libpython*.a' $ \) \) -exec rm -rf '{}' + ; ldconfig; apt-mark auto '.*' > /dev/null; apt-mark manual $savedAptMark; find /usr/local -type f -executable -not $ -name '*tkinter*' $ -exec ldd '{}' ';' | awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); printf "*%s\n", so }' | sort -u | xargs -rt dpkg-query --search | awk 'sub(":$", "", $1) { print $1 }' | sort -u | xargs -r apt-mark manual ; apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; apt-get dist-clean; export PYTHONDONTWRITEBYTECODE=1; python3 --version; pip3 --version # buildkit

RUN /bin/sh -c set -eux; for src in idle3 pip3 pydoc3 python3 python3-config; do dst="$(echo "$src" | tr -d 3)"; [ -s "/usr/local/bin/$src" ]; [ ! -e "/usr/local/bin/$dst" ]; ln -svT "$src" "/usr/local/bin/$dst"; done # buildkit

CMD ["python3"]

RUN /bin/sh -c useradd --system hc # buildkit

ENV PYTHONUNBUFFERED=1

WORKDIR /opt/healthchecks

RUN /bin/sh -c apt-get update && apt-get install -y libcurl4t64 libpq5 libmariadb3 && rm -rf /var/apt/cache && rm -rf /var/lib/apt/lists # buildkit

RUN /bin/sh -c pip install --upgrade pip && pip install --no-cache /wheels/* # buildkit

COPY /opt/healthchecks/ /opt/healthchecks/ # buildkit

COPY docker/fetchstatus.py /opt/healthchecks/ # buildkit

RUN /bin/sh -c rm -f /opt/healthchecks/hc/local_settings.py && DEBUG=False SECRET_KEY=build-key ./manage.py collectstatic --noinput && DEBUG=False SECRET_KEY=build-key ./manage.py compress # buildkit

RUN /bin/sh -c mkdir /data && chown hc /data # buildkit

USER hc

ENV USE_GZIP_MIDDLEWARE=True

HEALTHCHECK &{["CMD-SHELL" "./fetchstatus.py"] "1m0s" "0s" "20s" "5s" '\x01'}

CMD ["uwsgi" "/opt/healthchecks/docker/uwsgi.ini"]

USER root

/bin/sh -c apt-get update && apt-get -y upgrade && rm -rf /var/lib/apt/lists/*

/bin/sh -c pip install --no-cache-dir --upgrade "PyJWT>=2.13.0" "cryptography>=50.0.0" "urllib3>=2.7.0"

USER 999:999

ENV DEBUG=False

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 CMD python -c "import urllib.request,sys; sys.exit(0 if urllib.request.urlopen('http://127.0.0.1:8000/api/v3/status/', timeout=4).status==200 else 1)" || exit 1

Key	Value
io.buildah.version	1.44.1
org.opencontainers.image.created	2026-04-28T07:52:43.139Z
org.opencontainers.image.description	Open-source cron job and background task monitoring service, written in Python & Django
org.opencontainers.image.licenses	BSD-3-Clause
org.opencontainers.image.revision	b039b043a018eb7e769aaa18bba92b19f0210b7b
org.opencontainers.image.source	https://github.com/healthchecks/healthchecks
org.opencontainers.image.title	healthchecks
org.opencontainers.image.url	https://github.com/healthchecks/healthchecks
org.opencontainers.image.version	v4.2

healthchecks (v4.2-s1)

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