diff --git a/Dockerfile b/Dockerfile index 27ba2bbc9..7185f6f2a 100644 --- a/Dockerfile +++ b/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= .' 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= 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 " \ + 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 " \ # 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 \