Add docker target that pulls from releases.hashicorp.com

Dockerfile

@@ -1,17 +1,126 @@
-# This Dockerfile creates a production release image for the project using crt release flow.
-FROM alpine:3.15.0 as default
+# This Dockerfile contains multiple targets.
+# Use 'docker build --target=<name> .' to build one.
+# e.g. `docker build --target=dev .`
+#
+# All non-dev targets have a VERSION argument that must be provided 
+# via --build-arg=VERSION=<version> when building. 
+# e.g. --build-arg=1.11.2
+#
+# `default` is the production docker image which cannot be built locally. 
+# For local dev and testing purposes, please build and use the `dev` docker image.
+
+
+# Official docker image that includes binaries from releases.hashicorp.com. This
+# downloads the release from releases.hashicorp.com and therefore requires that
+# the release is published before building the Docker image.
+FROM alpine:3.13 as official
+
+# This is the release of Consul to pull in.
+ARG VERSION
+
+LABEL org.opencontainers.image.authors="Consul Team <consul@hashicorp.com>" \
+      org.opencontainers.image.url="https://www.consul.io/" \
+      org.opencontainers.image.documentation="https://www.consul.io/docs" \
+      org.opencontainers.image.source="https://github.com/hashicorp/consul" \
+      org.opencontainers.image.version=$VERSION \
+      org.opencontainers.image.vendor="HashiCorp" \
+      org.opencontainers.image.title="consul" \
+      org.opencontainers.image.description="Consul is a datacenter runtime that provides service discovery, configuration, and orchestration."
+
+# This is the location of the releases.
+ENV HASHICORP_RELEASES=https://releases.hashicorp.com
+
+# Create a consul user and group first so the IDs get set the same way, even as
+# the rest of this may change over time.
+RUN addgroup consul && \
+    adduser -S -G consul consul
+
+# Set up certificates, base tools, and Consul.
+# libc6-compat is needed to symlink the shared libraries for ARM builds
+RUN set -eux && \
+    apk add --no-cache ca-certificates curl dumb-init gnupg libcap openssl su-exec iputils jq libc6-compat iptables tzdata && \
+    gpg --keyserver keyserver.ubuntu.com --recv-keys C874011F0AB405110D02105534365D9472D7468F && \
+    mkdir -p /tmp/build && \
+    cd /tmp/build && \
+    apkArch="$(apk --print-arch)" && \
+    case "${apkArch}" in \
+        aarch64) consulArch='arm64' ;; \
+        armhf) consulArch='arm' ;; \
+        x86) consulArch='386' ;; \
+        x86_64) consulArch='amd64' ;; \
+        *) echo >&2 "error: unsupported architecture: ${apkArch} (see ${HASHICORP_RELEASES}/consul/${VERSION}/)" && exit 1 ;; \
+    esac && \
+    wget ${HASHICORP_RELEASES}/consul/${VERSION}/consul_${VERSION}_linux_${consulArch}.zip && \
+    wget ${HASHICORP_RELEASES}/consul/${VERSION}/consul_${VERSION}_SHA256SUMS && \
+    wget ${HASHICORP_RELEASES}/consul/${VERSION}/consul_${VERSION}_SHA256SUMS.sig && \
+    gpg --batch --verify consul_${VERSION}_SHA256SUMS.sig consul_${VERSION}_SHA256SUMS && \
+    grep consul_${VERSION}_linux_${consulArch}.zip consul_${VERSION}_SHA256SUMS | sha256sum -c && \
+    unzip -d /tmp/build consul_${VERSION}_linux_${consulArch}.zip && \
+    cp /tmp/build/consul /bin/consul && \
+    if [ -f /tmp/build/EULA.txt ]; then mkdir -p /usr/share/doc/consul; mv /tmp/build/EULA.txt /usr/share/doc/consul/EULA.txt; fi && \
+    if [ -f /tmp/build/TermsOfEvaluation.txt ]; then mkdir -p /usr/share/doc/consul; mv /tmp/build/TermsOfEvaluation.txt /usr/share/doc/consul/TermsOfEvaluation.txt; fi && \
+    cd /tmp && \
+    rm -rf /tmp/build && \
+    gpgconf --kill all && \
+    apk del gnupg openssl && \
+    rm -rf /root/.gnupg && \
+# tiny smoke test to ensure the binary we downloaded runs
+    consul version
+
+# The /consul/data dir is used by Consul to store state. The agent will be started
+# with /consul/config as the configuration directory so you can add additional
+# config files in that location.
+RUN mkdir -p /consul/data && \
+    mkdir -p /consul/config && \
+    chown -R consul:consul /consul
+
+# set up nsswitch.conf for Go's "netgo" implementation which is used by Consul,
+# otherwise DNS supercedes the container's hosts file, which we don't want.
+RUN test -e /etc/nsswitch.conf || echo 'hosts: files dns' > /etc/nsswitch.conf
+
+# Expose the consul data directory as a volume since there's mutable state in there.
+VOLUME /consul/data
+
+# Server RPC is used for communication between Consul clients and servers for internal
+# request forwarding.
+EXPOSE 8300
+
+# Serf LAN and WAN (WAN is used only by Consul servers) are used for gossip between
+# Consul agents. LAN is within the datacenter and WAN is between just the Consul
+# servers in all datacenters.
+EXPOSE 8301 8301/udp 8302 8302/udp
+
+# HTTP and DNS (both TCP and UDP) are the primary interfaces that applications
+# use to interact with Consul.
+EXPOSE 8500 8600 8600/udp
+
+# Consul doesn't need root privileges so we run it as the consul user from the
+# entry point script. The entry point script also uses dumb-init as the top-level
+# process to reap any zombie processes created by Consul sub-processes.
+COPY .release/docker/docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+# By default you'll get an insecure single-node development server that stores
+# everything in RAM, exposes a web UI and HTTP endpoints, and bootstraps itself.
+# Don't use this configuration for production.
+CMD ["agent", "-dev", "-client", "0.0.0.0"]
+
+
+# Production docker image that uses CI built binaries.
+# Remember, this image cannot be built locally.
+FROM alpine:3.13 as default
 
 ARG VERSION
 ARG BIN_NAME
 
-# PRODUCT_NAME and PRODUCT_VERSION are the name of the software in releases.hashicorp.com
+# PRODUCT_NAME and PRODUCT_VERSION are the name of the software on releases.hashicorp.com
 # and the version to download. Example: PRODUCT_NAME=consul PRODUCT_VERSION=1.2.3.
 ENV BIN_NAME=$BIN_NAME
 ENV VERSION=$VERSION
-#ARG CONSUL_VERSION=$VERSION
-#ARG PRODUCT_VERSION
+
 ARG PRODUCT_REVISION
 ARG PRODUCT_NAME=$BIN_NAME
+
 # TARGETOS and TARGETARCH are set automatically when --platform is provided.
 ARG TARGETOS TARGETARCH
 
@@ -26,7 +135,6 @@ LABEL org.opencontainers.image.authors="Consul Team <consul@hashicorp.com>" \
 
 # Set up certificates and base tools.
 # libc6-compat is needed to symlink the shared libraries for ARM builds
-RUN apk update
 RUN apk add -v --no-cache \
 		dumb-init \
 		libc6-compat \