shadowdaoandClaude Opus 5.5
18f65c6d84
Security review follow-up for the opt-in PKG_CACHE path: - PKG_CACHE must be https:// (http is refused). The cache's certificate comes from a name-constrained internal CA (keys/pkg-cache/ca.crt, valid only for 192.168.1.40 / pkg-cache.*). The CA is trusted only by the rewritten repos (dnf sslcacert bundle, apt per-host CaInfo) and only for the duration of the RUN. - epel-release / remi-release are no longer installed straight from a URL. release-install downloads them over HTTPS, checks the package name, imports the signing keys committed in keys/pkg-cache/ and requires `rpm -K` "signatures OK", then installs with localpkg_gpgcheck=1. This applies with and without the cache. - Rewritten repos get gpgcheck=1. Remi and AlmaLinux also get repo_gpgcheck=1, since both sign repomd.xml. EPEL does not publish a repomd signature, so it relies on end-to-end HTTPS. - restore also deletes files it created and any new repo/apt file that still references the cache, then fails the build if a reference remains under /etc/yum.repos.d, /etc/dnf or /etc/apt. - docs: trust model, replay risk, proposed openssl/httpd/ImageMagick minimum-version gates, TLS registry mirror (BuildKit ca= / dockerd certs.d, no insecure-registries). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
53 lines
2.1 KiB
Docker
53 lines
2.1 KiB
Docker
FROM almalinux/10-base
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# OPTIONAL internal package cache, e.g. --build-arg PKG_CACHE=https://192.168.1.40
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# (CT130 pkg-cache, https only). Unset = upstream repositories. Release RPMs are
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# GPG-verified against keys/pkg-cache/ either way. Repo files
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# are restored at the end of every RUN, so no layer keeps the cache address.
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# See scripts/pkg-cache-repos.sh.
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ARG PKG_CACHE=
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COPY ./scripts/pkg-cache-repos.sh /usr/local/sbin/pkg-cache-repos.sh
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COPY ./keys/pkg-cache/ /usr/local/share/pkg-cache/
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# Install Apache and minimal dependencies (no PHP at all)
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RUN /usr/local/sbin/pkg-cache-repos.sh rpm && \
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/usr/local/sbin/pkg-cache-repos.sh release-install epel && \
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/usr/local/sbin/pkg-cache-repos.sh rpm && \
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dnf update -y && \
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dnf install -y httpd mod_ssl openssl iproute cronie procps curl && \
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/usr/local/sbin/pkg-cache-repos.sh restore && \
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dnf clean all && \
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rm -rf /var/cache/dnf /usr/share/doc /usr/share/man /usr/share/locale/*
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# Copy scripts and set permissions
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COPY ./scripts/detect-memory.sh /scripts/detect-memory.sh
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COPY ./scripts/create-apache-mpm-config.sh /scripts/create-apache-mpm-config.sh
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COPY ./scripts/log-rotate.sh /scripts/log-rotate.sh
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COPY ./scripts/entrypoint-shared-httpd.sh /scripts/entrypoint-shared-httpd.sh
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COPY ./scripts/stop-services.sh /scripts/stop-services.sh
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COPY ./scripts/tune-mpm.sh /scripts/tune-mpm.sh
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RUN chmod +x /scripts/*
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# Generate self-signed SSL cert (same as main CAC image)
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RUN openssl req -newkey rsa:2048 -nodes \
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-keyout /etc/pki/tls/private/localhost.key \
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-x509 -days 3650 -subj "/CN=localhost" \
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-out /etc/pki/tls/certs/localhost.crt
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# Copy Apache configs
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COPY ./configs/remote_ip.conf /etc/httpd/conf.d/
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COPY ./configs/default-index.conf /etc/httpd/conf.d/
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# Create vhosts directory (will be volume-mounted from host)
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RUN mkdir -p /etc/httpd/conf.d/vhosts
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# Set up cron job for log rotation
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RUN echo "15 */12 * * * root /scripts/log-rotate.sh" >> /etc/crontab
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EXPOSE 80 443
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HEALTHCHECK --interval=30s --timeout=5s --start-period=60s --retries=3 \
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CMD curl -sfk https://localhost/ping || exit 1
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ENTRYPOINT [ "/scripts/entrypoint-shared-httpd.sh" ]
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