Merge branch 'feature/multistage-build-9.18' into 'v9.18'

Multistage build 9.18

See merge request isc-projects/bind9-docker!1

Dockerfile

@@ -1,8 +1,8 @@
-FROM alpine:latest
+# Create common base 
+FROM alpine:latest AS base
 LABEL org.opencontainers.image.authors="BIND 9 Developers <bind9-dev@isc.org>"
 
-ENV DEBIAN_FRONTEND noninteractive
-ENV LC_ALL C.UTF-8
+ENV LC_ALL=C.UTF-8
 
 ARG UID=53
 ARG GID=53
@@ -13,6 +13,9 @@ ARG BIND9_CHECKSUM=1bf332a8c056d92b87ffde518747f0b7ffd3e48be7ecaa43fa37fca131c52
 RUN apk --no-cache update
 RUN apk --no-cache upgrade
 
+# Build BIND 9
+FROM base AS builder
+
 RUN apk --no-cache add \
         autoconf \
         automake \
@@ -71,9 +74,31 @@ RUN cd /usr/src && \
                 --with-maxminddb \
                 --enable-dnstap && \
     make -j && \
-    make install && \
+    make install DESTDIR=/dist  && \
     rm -rf /usr/src
 
+# Create final image
+FROM base
+
+RUN apk --no-cache add \
+        fstrm \
+        jemalloc \
+        json-c \
+        krb5-libs \
+        libcap2 \
+        libidn2 \
+        libmaxminddb-libs \
+        libuv \
+        libxml2 \
+        lmdb \
+        nghttp2-libs \
+        procps \
+        protobuf-c \
+        tzdata
+
+# Copy binaries from previous stage
+COPY --from=builder /dist/ /
+
 # Create user and group
 RUN addgroup -S -g ${GID} bind && adduser -S -u ${UID} -H -h /var/cache/bind -G bind bind
 
@@ -94,29 +119,6 @@ RUN mkdir -p /var/log/bind && chown bind:bind /var/log/bind && chmod 755 /var/lo
 # Create PID directory
 RUN mkdir -p /run/named && chown bind:bind /run/named && chmod 755 /run/named
 
-# Remove development packages
-RUN apk --no-cache del \
-        autoconf \
-        automake \
-        build-base \
-        fstrm-dev \
-        gnutls-utils \
-        jemalloc-dev \
-        json-c-dev \
-        krb5-dev \
-        libcap-dev \
-        libidn2-dev \
-        libmaxminddb-dev \
-        libtool \
-        libuv-dev \
-        libxml2-dev \
-        libxslt \
-        lmdb-dev \
-        make \
-        nghttp2-dev \
-        openssl-dev \
-        protobuf-c-dev
-
 VOLUME ["/etc/bind", "/var/cache/bind", "/var/lib/bind", "/var/log"]
 
 EXPOSE 53/udp 53/tcp 953/tcp 853/tcp 443/tcp