69 lines
2.2 KiB
Docker
69 lines
2.2 KiB
Docker
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# vim:set ft=dockerfile:
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FROM alpine:3.12
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ENV HAPROXY_VERSION 2.3.1
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ENV HAPROXY_URL https://www.haproxy.org/download/2.3/src/haproxy-2.3.1.tar.gz
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ENV HAPROXY_SHA256 8d3bf1252a5b60b21e9885c8d0d6d89e932d320c2977a6522aed6df81eefca4b
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# see https://sources.debian.net/src/haproxy/jessie/debian/rules/ for some helpful navigation of the possible "make" arguments
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RUN set -x \
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\
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&& apk add --no-cache --virtual .build-deps \
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gcc \
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libc-dev \
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linux-headers \
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lua5.3-dev \
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make \
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openssl \
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openssl-dev \
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pcre2-dev \
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readline-dev \
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tar \
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zlib-dev \
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\
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&& wget -O haproxy.tar.gz "$HAPROXY_URL" \
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&& echo "$HAPROXY_SHA256 *haproxy.tar.gz" | sha256sum -c \
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&& mkdir -p /usr/src/haproxy \
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&& tar -xzf haproxy.tar.gz -C /usr/src/haproxy --strip-components=1 \
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&& rm haproxy.tar.gz \
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\
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&& makeOpts=' \
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TARGET=linux-musl \
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USE_GETADDRINFO=1 \
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USE_LUA=1 LUA_INC=/usr/include/lua5.3 LUA_LIB=/usr/lib/lua5.3 \
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USE_OPENSSL=1 \
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USE_PCRE2=1 USE_PCRE2_JIT=1 \
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USE_ZLIB=1 \
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\
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EXTRA_OBJS=" \
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# see https://github.com/docker-library/haproxy/issues/94#issuecomment-505673353 for more details about prometheus support
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contrib/prometheus-exporter/service-prometheus.o \
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" \
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' \
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&& nproc="$(getconf _NPROCESSORS_ONLN)" \
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&& eval "make -C /usr/src/haproxy -j '$nproc' all $makeOpts" \
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&& eval "make -C /usr/src/haproxy install-bin $makeOpts" \
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\
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&& mkdir -p /usr/local/etc/haproxy \
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&& cp -R /usr/src/haproxy/examples/errorfiles /usr/local/etc/haproxy/errors \
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&& rm -rf /usr/src/haproxy \
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\
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&& runDeps="$( \
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scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
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| tr ',' '\n' \
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| sort -u \
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| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
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)" \
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&& apk add --no-network --virtual .haproxy-rundeps $runDeps \
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&& apk del --no-network .build-deps
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# https://www.haproxy.org/download/1.8/doc/management.txt
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# "4. Stopping and restarting HAProxy"
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# "when the SIGTERM signal is sent to the haproxy process, it immediately quits and all established connections are closed"
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# "graceful stop is triggered when the SIGUSR1 signal is sent to the haproxy process"
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STOPSIGNAL SIGUSR1
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COPY docker-entrypoint.sh /
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ENTRYPOINT ["/docker-entrypoint.sh"]
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CMD ["haproxy", "-f", "/usr/local/etc/haproxy/conf.d"]
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