Docker: based docker images off official languages ones.

Language versions are bumped to:
 - python 3.9
 - ruby 2.7
 - go 1.15
 - node 15
 - perl 5.32

Removed images:
 - python 2.7 due to EOL
 - full/latest due to incompatibility with the new scheme

1 files changed, 73 insertions, 0 deletions

diff --git a/pkg/docker/template.Dockerfile b/pkg/docker/template.Dockerfile
new file mode 100644
index 00000000..d96d7982
--- /dev/null
+++ b/pkg/docker/template.Dockerfile
@@ -0,0 +1,73 @@
+FROM @@CONTAINER@@ as BUILDER
+
+LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
+
+RUN set -ex \
+    && apt-get update \
+    && apt-get install --no-install-recommends --no-install-suggests -y ca-certificates mercurial build-essential libssl-dev libpcre2-dev \
+    && mkdir -p /usr/lib/unit/modules /usr/lib/unit/debug-modules \
+    && hg clone https://hg.nginx.org/unit \
+    && cd unit \
+    && hg up @@VERSION@@ \
+    && NCPU="$(getconf _NPROCESSORS_ONLN)" \
+    && DEB_HOST_MULTIARCH="$(dpkg-architecture -q DEB_HOST_MULTIARCH)" \
+    && CC_OPT="$(DEB_BUILD_MAINT_OPTIONS="hardening=+all,-pie" DEB_CFLAGS_MAINT_APPEND="-Wp,-D_FORTIFY_SOURCE=2 -fPIC" dpkg-buildflags --get CFLAGS)" \
+    && LD_OPT="$(DEB_BUILD_MAINT_OPTIONS="hardening=+all,-pie" DEB_LDFLAGS_MAINT_APPEND="-Wl,--as-needed -pie" dpkg-buildflags --get LDFLAGS)" \
+    && CONFIGURE_ARGS="--prefix=/usr \
+                --state=/var/lib/unit \
+                --control=unix:/var/run/control.unit.sock \
+                --pid=/var/run/unit.pid \
+                --log=/var/log/unit.log \
+                --tmp=/var/tmp \
+                --user=unit \
+                --group=unit \
+                --openssl \
+                --libdir=/usr/lib/$DEB_HOST_MULTIARCH" \
+    && ./configure $CONFIGURE_ARGS --cc-opt="$CC_OPT" --ld-opt="$LD_OPT" --modules=/usr/lib/unit/debug-modules --debug \
+    && make -j $NCPU unitd \
+    && install -pm755 build/unitd /usr/sbin/unitd-debug \
+    && make clean \
+    && ./configure $CONFIGURE_ARGS --cc-opt="$CC_OPT" --ld-opt="$LD_OPT" --modules=/usr/lib/unit/modules \
+    && make -j $NCPU unitd \
+    && install -pm755 build/unitd /usr/sbin/unitd \
+    && make clean \
+    && ./configure $CONFIGURE_ARGS --cc-opt="$CC_OPT" --modules=/usr/lib/unit/debug-modules --debug \
+    && ./configure @@CONFIGURE@@ \
+    && make -j $NCPU @@INSTALL@@ \
+    && make clean \
+    && ./configure $CONFIGURE_ARGS --cc-opt="$CC_OPT" --modules=/usr/lib/unit/modules \
+    && ./configure @@CONFIGURE@@ \
+    && make -j $NCPU @@INSTALL@@ \
+    && ldd /usr/sbin/unitd | awk '/=>/{print $(NF-1)}' | while read n; do dpkg-query -S $n; done | sed 's/^\([^:]\+\):.*$/\1/' | sort | uniq > /requirements.apt
+
+FROM @@CONTAINER@@
+COPY docker-entrypoint.sh /usr/local/bin/
+COPY --from=BUILDER /usr/sbin/unitd /usr/sbin/unitd
+COPY --from=BUILDER /usr/sbin/unitd-debug /usr/sbin/unitd-debug
+COPY --from=BUILDER /usr/lib/unit/ /usr/lib/unit/
+COPY --from=BUILDER /requirements.apt /requirements.apt
+@@COPY@@
+RUN set -x \
+    && mkdir -p /var/lib/unit/ \
+    && mkdir /docker-entrypoint.d/ \
+    && addgroup --system unit \
+    && adduser \
+         --system \
+         --disabled-login \
+         --ingroup unit \
+         --no-create-home \
+         --home /nonexistent \
+         --gecos "unit user" \
+         --shell /bin/false \
+         unit \
+    && apt update \
+    && apt --no-install-recommends --no-install-suggests -y install $(cat /requirements.apt) \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* \
+    && rm -f /requirements.apt \
+    && ln -sf /dev/stdout /var/log/unit.log
+
+STOPSIGNAL SIGTERM
+
+ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
+
+CMD ["unitd", "--no-daemon", "--control", "unix:/var/run/control.unit.sock"]