Merge pull request #101 from nka11/build_docker_image

Resources for building a docker image

.dockerignore

@@ -0,0 +1,2 @@
+Dockerfile
+contrib/docker

README.md

@@ -92,6 +92,10 @@ $ make install
 
 To build ACMEd and tacd inside a temporary Docker container, use the `contrib/docker/build-docker.sh` helper script. It currently supports Debian Buster / Stretch.
 
+You can also build a container image for some k8s deployement, use the `contrib/docker/build-docker-image.sh` script. It supports the same targets as the build-docker.sh script.
+
+When build succeed, you can start the container with `docker run --rm -v /path/to/conf/dir:/etc/acmed acmed:buster`.
+
 ### Advanced options
 
 You can specify a space or comma separated list of features to activate in the `FEATURE` variable. The possible features are:

contrib/docker/Dockerfile

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+ARG TARGET=buster
+
+FROM rust:1-$TARGET as builder
+
+WORKDIR /code
+COPY . .
+RUN cargo build --release
+
+FROM debian:$TARGET-slim
+
+RUN apt-get update && apt-get install -y openssl ca-certificates && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /code/target/release/acmed /usr/local/bin/acmed
+COPY --from=builder /code/target/release/tacd  /usr/local/bin/tacd
+CMD ["/usr/local/bin/acmed", "-f", "--log-stderr"]

contrib/docker/build-docker-image.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+# ACMED certificate watcher and renewer daemon.
+# Helper script to build debian based docker image
+# Author: Nicolas Karageuzian
+
+set -euo pipefail
+
+DIR="$( cd "$( dirname "$0" )/../.." >/dev/null 2>&1 && pwd )"
+
+# Parse command line args
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 <target>"
+    echo "Supported targets: stretch, buster"
+    exit 1
+fi
+if [ "$1" == "buster" ]; then
+    TARGET=buster
+elif [ "$1" == "stretch" ]; then
+    TARGET=stretch
+else
+    echo "Invalid target: $1"
+    exit 1
+fi
+
+# Determine image
+IMAGE=rust:1-$TARGET
+
+function log {
+    echo -e "\033[32;1m==> ${1}\033[0m"
+}
+
+# This or commit Dockerfile at project root
+log "Prepare docker build"
+cp $( dirname "$0" )/Dockerfile $DIR
+
+cd $DIR
+
+log "Build docker image"
+docker build -t acmed:$TARGET --build-arg TARGET=$TARGET .
+
+log "Successfully built image, Cleanup"
+
+rm Dockerfile
+
+log "Done! Find your binaries in the /usr/local/bin directory of image acmed:$TARGET."