CMD /run.sh

Dockerfile

@@ -119,13 +119,16 @@ RUN apk add --no-cache \
 		libstdc++ \
 		heimdal-libs \
 		libcap \
-		libltdl
+		libltdl \
+		tzdata
 
 COPY --from=build /etc/squid/ /etc/squid/
 COPY --from=build /usr/lib/squid/ /usr/lib/squid/
 COPY --from=build /usr/share/squid/ /usr/share/squid/
 COPY --from=build /usr/sbin/squid /usr/sbin/squid
 COPY --from=build /usr/bin/squidclient /usr/bin/squidclient
+
+COPY --chmod=755 run.sh /
 
 RUN install -d -o squid -g squid \
 		/var/cache/squid \
@@ -138,14 +141,9 @@ RUN install -d -o squid -g squid \
 	touch /etc/squid/conf.d/placeholder.conf
 COPY squid-log.conf /etc/squid/conf.d.tail/
 
-RUN	set -x && \
-	apk add --no-cache --virtual .tz alpine-conf tzdata && \
-	/sbin/setup-timezone -z $TZ && \
-	apk del .tz
-
 VOLUME ["/var/cache/squid"]
 EXPOSE 3128/tcp
 
 USER squid
 
-CMD ["sh", "-c", "rm -f /var/run/squid/squid.pid ; /usr/sbin/squid -f ${SQUID_CONFIG_FILE} --foreground -z && exec /usr/sbin/squid -f ${SQUID_CONFIG_FILE} --foreground -YCd 1"]
+CMD ["/run.sh"]

run.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -x
+
+# force remove pid
+if [ -e /var/run/squid/squid.pid ]; then
+	rm -f /var/run/squid/squid.pid
+fi
+
+# init cache
+/usr/sbin/squid -f "${SQUID_CONFIG_FILE}" --foreground -z
+
+# run squid
+exec /usr/sbin/squid -f "${SQUID_CONFIG_FILE}" --foreground -YCd 1