[bitnami/fluent-bit] Update supported branches (#87662)
Signed-off-by: David Gomez <david.gomez@broadcom.com>
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David Gomez
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# ⚠️ Important Notice: Upcoming changes to the Bitnami Catalog
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Beginning August 28th, 2025, Bitnami will evolve its public catalog to offer a curated set of hardened, security-focused images under the new [Bitnami Secure Images initiative](https://news.broadcom.com/app-dev/broadcom-introduces-bitnami-secure-images-for-production-ready-containerized-applications). As part of this transition:
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- Granting community users access for the first time to security-optimized versions of popular container images.
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- Bitnami will begin deprecating support for non-hardened, Debian-based software images in its free tier and will gradually remove non-latest tags from the public catalog. As a result, community users will have access to a reduced number of hardened images. These images are published only under the “latest” tag and are intended for development purposes
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- Starting August 28th, over two weeks, all existing container images, including older or versioned tags (e.g., 2.50.0, 10.6), will be migrated from the public catalog (docker.io/bitnami) to the “Bitnami Legacy” repository (docker.io/bitnamilegacy), where they will no longer receive updates.
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- For production workloads and long-term support, users are encouraged to adopt Bitnami Secure Images, which include hardened containers, smaller attack surfaces, CVE transparency (via VEX/KEV), SBOMs, and enterprise support.
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These changes aim to improve the security posture of all Bitnami users by promoting best practices for software supply chain integrity and up-to-date deployments. For more details, visit the [Bitnami Secure Images announcement](https://github.com/bitnami/containers/issues/83267).
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# Copyright Broadcom, Inc. All Rights Reserved.
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# SPDX-License-Identifier: APACHE-2.0
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FROM docker.io/bitnami/minideb:bookworm
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ARG DOWNLOADS_URL="downloads.bitnami.com/files/stacksmith"
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ARG TARGETARCH
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LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bookworm" \
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org.opencontainers.image.created="2025-10-08T21:59:48Z" \
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org.opencontainers.image.description="Application packaged by Broadcom, Inc." \
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org.opencontainers.image.documentation="https://github.com/bitnami/containers/tree/main/bitnami/fluent-bit/README.md" \
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org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/fluent-bit" \
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org.opencontainers.image.title="fluent-bit" \
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org.opencontainers.image.vendor="Broadcom, Inc." \
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org.opencontainers.image.version="4.1.1"
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ENV HOME="/" \
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OS_ARCH="${TARGETARCH:-amd64}" \
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OS_FLAVOUR="debian-12" \
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OS_NAME="linux"
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COPY prebuildfs /
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SHELL ["/bin/bash", "-o", "errexit", "-o", "nounset", "-o", "pipefail", "-c"]
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# Install required system packages and dependencies
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RUN install_packages ca-certificates curl libcap2 libgcc-s1 libgcrypt20 libgpg-error0 liblz4-1 liblzma5 libsasl2-2 libssl3 libstdc++6 libsystemd0 libyaml-0-2 libzstd1 procps zlib1g
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RUN --mount=type=secret,id=downloads_url,env=SECRET_DOWNLOADS_URL \
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DOWNLOADS_URL=${SECRET_DOWNLOADS_URL:-${DOWNLOADS_URL}} ; \
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mkdir -p /tmp/bitnami/pkg/cache/ ; cd /tmp/bitnami/pkg/cache/ || exit 1 ; \
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COMPONENTS=( \
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"fluent-bit-4.1.1-0-linux-${OS_ARCH}-debian-12" \
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) ; \
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for COMPONENT in "${COMPONENTS[@]}"; do \
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if [ ! -f "${COMPONENT}.tar.gz" ]; then \
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curl -SsLf "https://${DOWNLOADS_URL}/${COMPONENT}.tar.gz" -O ; \
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curl -SsLf "https://${DOWNLOADS_URL}/${COMPONENT}.tar.gz.sha256" -O ; \
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fi ; \
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sha256sum -c "${COMPONENT}.tar.gz.sha256" ; \
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tar -zxf "${COMPONENT}.tar.gz" -C /opt/bitnami --strip-components=2 --no-same-owner ; \
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rm -rf "${COMPONENT}".tar.gz{,.sha256} ; \
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done
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RUN apt-get update && apt-get upgrade -y && \
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apt-get clean && rm -rf /var/lib/apt/lists /var/cache/apt/archives
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RUN chmod g+rwX /opt/bitnami
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RUN find / -perm /6000 -type f -exec chmod a-s {} \; || true
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RUN chown -R 1001:1001 /opt/bitnami/fluent-bit
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RUN uninstall_packages curl
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ENV APP_VERSION="4.1.1" \
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BITNAMI_APP_NAME="fluent-bit" \
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IMAGE_REVISION="0" \
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PATH="/opt/bitnami/fluent-bit/bin:$PATH"
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EXPOSE 2020
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WORKDIR /opt/bitnami/fluent-bit
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USER 1001
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ENTRYPOINT [ "fluent-bit" ]
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CMD [ "-c", "/opt/bitnami/fluent-bit/conf/fluent-bit.conf" ]
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# Copyright Broadcom, Inc. All Rights Reserved.
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# SPDX-License-Identifier: APACHE-2.0
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services:
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fluent-bit:
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image: docker.io/bitnami/fluent-bit:4
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ports:
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- '2020:2020'
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Bitnami containers ship with software bundles. You can find the licenses under:
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/opt/bitnami/[name-of-bundle]/licenses/[bundle-version].txt
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#!/bin/sh
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# Copyright Broadcom, Inc. All Rights Reserved.
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# SPDX-License-Identifier: APACHE-2.0
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set -eu
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n=0
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max=2
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export DEBIAN_FRONTEND=noninteractive
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until [ $n -gt $max ]; do
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set +e
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(
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apt-get update -qq &&
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apt-get install -y --no-install-recommends "$@"
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)
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CODE=$?
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set -e
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if [ $CODE -eq 0 ]; then
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break
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fi
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if [ $n -eq $max ]; then
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exit $CODE
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fi
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echo "apt failed, retrying"
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n=$(($n + 1))
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done
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apt-get clean && rm -rf /var/lib/apt/lists /var/cache/apt/archives
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#!/bin/sh
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# Copyright Broadcom, Inc. All Rights Reserved.
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# SPDX-License-Identifier: APACHE-2.0
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set -u
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if [ $# -eq 0 ]; then
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>&2 echo "No arguments provided"
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exit 1
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fi
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script=$1
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exit_code="${2:-96}"
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fail_if_not_present="${3:-n}"
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if test -f "$script"; then
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sh $script
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if [ $? -ne 0 ]; then
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exit $((exit_code))
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fi
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elif [ "$fail_if_not_present" = "y" ]; then
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>&2 echo "script not found: $script"
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exit 127
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fi
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#!/bin/sh
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# Copyright Broadcom, Inc. All Rights Reserved.
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# SPDX-License-Identifier: APACHE-2.0
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set -eu
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n=0
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max=2
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export DEBIAN_FRONTEND=noninteractive
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until [ $n -gt $max ]; do
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set +e
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(
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apt-get autoremove --purge -y "$@"
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)
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CODE=$?
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set -e
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if [ $CODE -eq 0 ]; then
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break
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fi
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if [ $n -eq $max ]; then
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exit $CODE
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fi
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echo "apt failed, retrying"
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n=$(($n + 1))
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done
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apt-get clean && rm -rf /var/lib/apt/lists /var/cache/apt/archives
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