diff --git a/Dockerfile b/Dockerfile
index 05f90af..6fb3fce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,14 +1,122 @@
-FROM alpine
+FROM alpine:3.5
 MAINTAINER b4tman <b4tm4n@mail.ru>
 
-ENV SQUID_CONFIG_FILE=/etc/squid/squid.conf
+ENV SQUID_VER 3.5.25
+ENV SQUID_SIG_KEY EA31CC5E9488E5168D2DCC5EB268E706FF5CF463
+ENV SQUID_CONFIG_FILE /etc/squid/squid.conf
+ENV TZ Europe/Moscow
 
-COPY docker-entrypoint.sh /
-RUN apk add --no-cache squid &&\
-	chmod 755 /docker-entrypoint.sh
-ENTRYPOINT ["/docker-entrypoint.sh"]
+RUN set -x && \
+	deluser squid 2>/dev/null; delgroup squid 2>/dev/null; \
+	addgroup -S squid -g 3128 && adduser -S -u 3128 -G squid -g squid -H -D -s /bin/false -h /var/cache/squid squid
 
+RUN apk add --no-cache \
+		libstdc++ \
+		heimdal-libs \
+		libcap \
+		libressl2.4-libcrypto \
+		libressl2.4-libssl \
+		libltdl
+
+RUN set -x && \
+	apk add --no-cache --virtual .build-deps  \
+		gcc \
+		g++ \
+		libc-dev \
+		alpine-conf \
+		tzdata \
+		curl \
+		gnupg \
+		libressl-dev \
+		perl-dev \
+		autoconf \
+		automake \
+		make \
+		pkgconfig \
+		heimdal-dev \
+		libtool \
+		libcap-dev \
+		linux-headers && \
+	\
+	mkdir -p /tmp/build && \
+	cd /tmp/build && \
+    curl -SsL http://www.squid-cache.org/Versions/v${SQUID_VER%.*.*}/${SQUID_VER%.*}/squid-${SQUID_VER}.tar.gz -o squid-${SQUID_VER}.tar.gz && \
+	curl -SsL http://www.squid-cache.org/Versions/v${SQUID_VER%.*.*}/${SQUID_VER%.*}/squid-${SQUID_VER}.tar.gz.asc -o squid-${SQUID_VER}.tar.gz.asc	&& \
+	\
+	export GNUPGHOME="$(mktemp -d)" && \
+	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys ${SQUID_SIG_KEY}	&& \
+	gpg --batch --verify squid-${SQUID_VER}.tar.gz.asc squid-${SQUID_VER}.tar.gz && \
+	\
+	tar --strip 1 -xzf squid-${SQUID_VER}.tar.gz && \
+	export CFLAGS="-g0 -O2"   && \
+	export CXXFLAGS="$CFLAGS" && \
+	export LDFLAGS="-s" && \
+	./configure \
+		--build="$(uname -m)" \
+		--host="$(uname -m)" \
+		--prefix=/usr \
+		--datadir=/usr/share/squid \
+		--sysconfdir=/etc/squid \
+		--libexecdir=/usr/lib/squid \
+		--localstatedir=/var \
+		--with-logdir=/var/log/squid \
+		--disable-strict-error-checking \
+		--disable-arch-native \
+		--enable-removal-policies="lru,heap" \
+		--enable-auth-digest \
+		--enable-auth-basic="getpwnam,NCSA" \
+		--enable-epoll \
+		--enable-external-acl-helpers="file_userip,unix_group,wbinfo_group" \
+		--enable-auth-ntlm="fake" \
+		--enable-auth-negotiate="wrapper" \
+		--enable-silent-rules \
+		--disable-mit \
+		--enable-heimdal \
+		--enable-delay-pools \
+		--enable-arp-acl \
+		--enable-openssl \
+		--enable-ssl-crtd \
+		--enable-ident-lookups \
+		--enable-useragent-log \
+		--enable-cache-digests \
+		--enable-referer-log \
+		--enable-async-io \
+		--enable-truncate \
+		--enable-arp-acl \
+		--enable-htcp \
+		--enable-carp \
+		--enable-epoll \
+		--enable-follow-x-forwarded-for \
+		--enable-storeio="diskd rock" \
+		--enable-ipv6 \
+		--enable-translation \
+		--disable-snmp \
+		--disable-dependency-tracking \
+		--with-large-files \
+		--with-default-user=squid \
+		--with-openssl \
+		--with-pidfile=/var/run/squid/squid.pid \
+	make && \
+	make install && \
+	install -d -o squid -g squid \
+		/var/cache/squid \
+		/var/log/squid \
+		/var/run/squid && \
+	chmod +x /usr/lib/squid/* &&\
+	\
+	/sbin/setup-timezone -z $TZ && \
+	\
+	apk del .build-deps && \
+	cd / && \
+	rm -rf /tmp/build "$GNUPGHOME"
+
+RUN echo 'include /etc/squid/conf.d/*.conf' >> "$SQUID_CONFIG_FILE" && \
+	install -d -m 755 -o squid -g squid /etc/squid/conf.d
+COPY squid-log.conf /etc/squid/conf.d/
+	
 VOLUME ["/var/cache/squid"]	
 EXPOSE 3128/tcp
 
-CMD ["squid"]
+USER squid
+
+CMD ["sh", "-c", "/usr/sbin/squid -f ${SQUID_CONFIG_FILE} -z && exec /usr/sbin/squid -f ${SQUID_CONFIG_FILE} -NYCd 1"]
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
deleted file mode 100644
index 2b68ea6..0000000
--- a/docker-entrypoint.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/sh
-set -e
-
-if [ "$1" = 'squid' ]; then
-	mkdir -p /var/log/squid
-	mkdir -p /var/cache/squid
-	
-	if [ ! "$(ls -A /var/cache/squid)" ]; then
-		/usr/sbin/squid -f ${SQUID_CONFIG_FILE} -z
-	fi
-
-	exec /usr/sbin/squid -f ${SQUID_CONFIG_FILE} -NYCd 1
-else
-	exec "$@"
-fi
diff --git a/squid-log.conf b/squid-log.conf
new file mode 100644
index 0000000..a71be89
--- /dev/null
+++ b/squid-log.conf
@@ -0,0 +1,4 @@
+logfile_rotate 0
+cache_store_log none
+access_log stdio:/proc/self/fd/1
+cache_log stdio:/proc/self/fd/2