69 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Docker
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Docker
		
	
	
	
	
	
# 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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