9 files changed, 35 insertions, 128 deletions
diff --git a/pkg/docker/Dockerfile.full b/pkg/docker/Dockerfile.full
index cf3b1150..70637ae2 100644
--- a/pkg/docker/Dockerfile.full
+++ b/pkg/docker/Dockerfile.full
@@ -1,8 +1,8 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.13.0-1~stretch
+ENV UNIT_VERSION          1.13.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
@@ -22,17 +22,17 @@ RUN set -x \
 	test -z "$found" && echo >&2 "error: failed to fetch GPG key $NGINX_GPGKEY" && exit 1; \
 	apt-get remove --purge --auto-remove -y gnupg1 && rm -rf /var/lib/apt/lists/* \
 	&& dpkgArch="$(dpkg --print-architecture)" \
-	&& unitPackages="unit=${UNIT_VERSION} unit-php=${UNIT_VERSION} unit-python2.7=${UNIT_VERSION} unit-python3.5=${UNIT_VERSION} unit-perl=${UNIT_VERSION} unit-ruby=${UNIT_VERSION}" \
+	&& unitPackages="unit=${UNIT_VERSION} unit-php=${UNIT_VERSION} unit-python2.7=${UNIT_VERSION} unit-python3.7=${UNIT_VERSION} unit-perl=${UNIT_VERSION} unit-ruby=${UNIT_VERSION}" \
 	&& case "$dpkgArch" in \
 		amd64|i386) \
 # arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			&& apt-get update \
 			;; \
 		*) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb-src https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			\
 # new directory for storing sources and .deb files
 			&& tempDir="$(mktemp -d)" \
diff --git a/pkg/docker/Dockerfile.go1.8-dev b/pkg/docker/Dockerfile.go1.11-dev
index d38b669b..b0388346 100644
--- a/pkg/docker/Dockerfile.go1.8-dev
+++ b/pkg/docker/Dockerfile.go1.11-dev
@@ -1,8 +1,8 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.13.0-1~stretch
+ENV UNIT_VERSION          1.13.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
@@ -22,17 +22,17 @@ RUN set -x \
 	test -z "$found" && echo >&2 "error: failed to fetch GPG key $NGINX_GPGKEY" && exit 1; \
 	apt-get remove --purge --auto-remove -y gnupg1 && rm -rf /var/lib/apt/lists/* \
 	&& dpkgArch="$(dpkg --print-architecture)" \
-	&& unitPackages="unit=${UNIT_VERSION} unit-go1.8=${UNIT_VERSION} gcc" \
+	&& unitPackages="unit=${UNIT_VERSION} unit-go1.11=${UNIT_VERSION} gcc" \
 	&& case "$dpkgArch" in \
 		amd64|i386) \
 # arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			&& apt-get update \
 			;; \
 		*) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb-src https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			\
 # new directory for storing sources and .deb files
 			&& tempDir="$(mktemp -d)" \
diff --git a/pkg/docker/Dockerfile.go1.7-dev b/pkg/docker/Dockerfile.go1.7-dev
deleted file mode 100644
index 5622271e..00000000
--- a/pkg/docker/Dockerfile.go1.7-dev
+++ /dev/null
@@ -1,93 +0,0 @@
-FROM debian:stretch-slim
-
-LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
-
-ENV UNIT_VERSION          1.13.0-1~stretch
-
-RUN set -x \
-	&& apt-get update \
-	&& apt-get install --no-install-recommends --no-install-suggests -y gnupg1 apt-transport-https ca-certificates \
-	&& \
-	NGINX_GPGKEY=573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62; \
-	found=''; \
-	for server in \
-		ha.pool.sks-keyservers.net \
-		hkp://keyserver.ubuntu.com:80 \
-		hkp://p80.pool.sks-keyservers.net:80 \
-		pgp.mit.edu \
-	; do \
-		echo "Fetching GPG key $NGINX_GPGKEY from $server"; \
-		apt-key adv --keyserver "$server" --keyserver-options timeout=10 --recv-keys "$NGINX_GPGKEY" && found=yes && break; \
-	done; \
-	test -z "$found" && echo >&2 "error: failed to fetch GPG key $NGINX_GPGKEY" && exit 1; \
-	apt-get remove --purge --auto-remove -y gnupg1 && rm -rf /var/lib/apt/lists/* \
-	&& dpkgArch="$(dpkg --print-architecture)" \
-	&& unitPackages="unit=${UNIT_VERSION} unit-go1.7=${UNIT_VERSION} gcc" \
-	&& case "$dpkgArch" in \
-		amd64|i386) \
-# arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
-			&& apt-get update \
-			;; \
-		*) \
-# we're on an architecture upstream doesn't officially build for
-# let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
-			\
-# new directory for storing sources and .deb files
-			&& tempDir="$(mktemp -d)" \
-			&& chmod 777 "$tempDir" \
-# (777 to ensure APT's "_apt" user can access it too)
-			\
-# save list of currently-installed packages so build dependencies can be cleanly removed later
-			&& savedAptMark="$(apt-mark showmanual)" \
-			\
-# build .deb files from upstream's source packages (which are verified by apt-get)
-			&& apt-get update \
-			&& apt-get build-dep -y $unitPackages \
-			&& ( \
-				cd "$tempDir" \
-				&& DEB_BUILD_OPTIONS="nocheck parallel=$(nproc)" \
-					apt-get source --compile $unitPackages \
-			) \
-# we don't remove APT lists here because they get re-downloaded and removed later
-			\
-# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
-# (which is done after we install the built packages so we don't have to redownload any overlapping dependencies)
-			&& apt-mark showmanual | xargs apt-mark auto > /dev/null \
-			&& { [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; } \
-			\
-# create a temporary local APT repo to install from (so that dependency resolution can be handled by APT, as it should be)
-			&& ls -lAFh "$tempDir" \
-			&& ( cd "$tempDir" && dpkg-scanpackages . > Packages ) \
-			&& grep '^Package: ' "$tempDir/Packages" \
-			&& echo "deb [ trusted=yes ] file://$tempDir ./" > /etc/apt/sources.list.d/temp.list \
-# work around the following APT issue by using "Acquire::GzipIndexes=false" (overriding "/etc/apt/apt.conf.d/docker-gzip-indexes")
-#   Could not open file /var/lib/apt/lists/partial/_tmp_tmp.ODWljpQfkE_._Packages - open (13: Permission denied)
-#   ...
-#   E: Failed to fetch store:/var/lib/apt/lists/partial/_tmp_tmp.ODWljpQfkE_._Packages  Could not open file /var/lib/apt/lists/partial/_tmp_tmp.ODWljpQfkE_._Packages - open (13: Permission denied)
-			&& apt-get -o Acquire::GzipIndexes=false update \
-			;; \
-	esac \
-	\
-	&& apt-get install --no-install-recommends --no-install-suggests -y \
-						$unitPackages \
-                        curl \
-	&& apt-get remove --purge --auto-remove -y apt-transport-https && rm -rf /var/lib/apt/lists/* /etc/apt/sources.list.d/unit.list \
-	\
-# if we have leftovers from building, let's purge them (including extra, unnecessary build deps)
-	&& if [ -n "$tempDir" ]; then \
-		apt-get purge -y --auto-remove \
-		&& rm -rf "$tempDir" /etc/apt/sources.list.d/temp.list; \
-	fi
-
-# forward log to docker log collector
-RUN ln -sf /dev/stdout /var/log/unit.log
-
-STOPSIGNAL SIGTERM
-
-COPY docker-entrypoint.sh /usr/local/bin/
-RUN mkdir /docker-entrypoint.d/
-ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
-
-CMD ["unitd", "--no-daemon", "--control", "unix:/var/run/control.unit.sock"]
diff --git a/pkg/docker/Dockerfile.minimal b/pkg/docker/Dockerfile.minimal
index 4567b2da..a3080205 100644
--- a/pkg/docker/Dockerfile.minimal
+++ b/pkg/docker/Dockerfile.minimal
@@ -1,8 +1,8 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.13.0-1~stretch
+ENV UNIT_VERSION          1.13.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
@@ -26,13 +26,13 @@ RUN set -x \
 	&& case "$dpkgArch" in \
 		amd64|i386) \
 # arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			&& apt-get update \
 			;; \
 		*) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb-src https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			\
 # new directory for storing sources and .deb files
 			&& tempDir="$(mktemp -d)" \
diff --git a/pkg/docker/Dockerfile.perl5.24 b/pkg/docker/Dockerfile.perl5.28
index 64d68a4e..7fa27809 100644
--- a/pkg/docker/Dockerfile.perl5.24
+++ b/pkg/docker/Dockerfile.perl5.28
@@ -1,8 +1,8 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.13.0-1~stretch
+ENV UNIT_VERSION          1.13.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
@@ -26,13 +26,13 @@ RUN set -x \
 	&& case "$dpkgArch" in \
 		amd64|i386) \
 # arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			&& apt-get update \
 			;; \
 		*) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb-src https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			\
 # new directory for storing sources and .deb files
 			&& tempDir="$(mktemp -d)" \
diff --git a/pkg/docker/Dockerfile.php7.0 b/pkg/docker/Dockerfile.php7.3
index 649de902..96dc91e3 100644
--- a/pkg/docker/Dockerfile.php7.0
+++ b/pkg/docker/Dockerfile.php7.3
@@ -1,8 +1,8 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.13.0-1~stretch
+ENV UNIT_VERSION          1.13.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
@@ -26,13 +26,13 @@ RUN set -x \
 	&& case "$dpkgArch" in \
 		amd64|i386) \
 # arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			&& apt-get update \
 			;; \
 		*) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb-src https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			\
 # new directory for storing sources and .deb files
 			&& tempDir="$(mktemp -d)" \
diff --git a/pkg/docker/Dockerfile.python2.7 b/pkg/docker/Dockerfile.python2.7
index e9866349..1824e92f 100644
--- a/pkg/docker/Dockerfile.python2.7
+++ b/pkg/docker/Dockerfile.python2.7
@@ -1,8 +1,8 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.13.0-1~stretch
+ENV UNIT_VERSION          1.13.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
@@ -26,13 +26,13 @@ RUN set -x \
 	&& case "$dpkgArch" in \
 		amd64|i386) \
 # arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			&& apt-get update \
 			;; \
 		*) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb-src https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			\
 # new directory for storing sources and .deb files
 			&& tempDir="$(mktemp -d)" \
diff --git a/pkg/docker/Dockerfile.python3.5 b/pkg/docker/Dockerfile.python3.7
index 831bc54a..c8264bde 100644
--- a/pkg/docker/Dockerfile.python3.5
+++ b/pkg/docker/Dockerfile.python3.7
@@ -1,8 +1,8 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.13.0-1~stretch
+ENV UNIT_VERSION          1.13.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
@@ -22,17 +22,17 @@ RUN set -x \
 	test -z "$found" && echo >&2 "error: failed to fetch GPG key $NGINX_GPGKEY" && exit 1; \
 	apt-get remove --purge --auto-remove -y gnupg1 && rm -rf /var/lib/apt/lists/* \
 	&& dpkgArch="$(dpkg --print-architecture)" \
-	&& unitPackages="unit=${UNIT_VERSION} unit-python3.5=${UNIT_VERSION}" \
+	&& unitPackages="unit=${UNIT_VERSION} unit-python3.7=${UNIT_VERSION}" \
 	&& case "$dpkgArch" in \
 		amd64|i386) \
 # arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			&& apt-get update \
 			;; \
 		*) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb-src https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			\
 # new directory for storing sources and .deb files
 			&& tempDir="$(mktemp -d)" \
diff --git a/pkg/docker/Dockerfile.ruby2.3 b/pkg/docker/Dockerfile.ruby2.5
index 181b2525..cf12316f 100644
--- a/pkg/docker/Dockerfile.ruby2.3
+++ b/pkg/docker/Dockerfile.ruby2.5
@@ -1,8 +1,8 @@
-FROM debian:stretch-slim
+FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.13.0-1~stretch
+ENV UNIT_VERSION          1.13.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
@@ -26,13 +26,13 @@ RUN set -x \
 	&& case "$dpkgArch" in \
 		amd64|i386) \
 # arches officialy built by upstream
-			echo "deb https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			&& apt-get update \
 			;; \
 		*) \
 # we're on an architecture upstream doesn't officially build for
 # let's build binaries from the published source packages
-			echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" >> /etc/apt/sources.list.d/unit.list \
+			echo "deb-src https://packages.nginx.org/unit/debian/ buster unit" >> /etc/apt/sources.list.d/unit.list \
 			\
 # new directory for storing sources and .deb files
 			&& tempDir="$(mktemp -d)" \