init

Dockerfile

@@ -0,0 +1,42 @@
+ARG GO_VERSION=1.16.0
+
+FROM golang:${GO_VERSION}-alpine as build
+
+ARG PROMETHEUS_VERSION=
+ARG PROMETHEUS_REPO="https://github.com/prometheus/prometheus.git"
+
+RUN \
+	apk update --no-cache &&\
+	apk add --no-cache \
+		bash \
+		curl \
+		git \
+		make \
+		yarn && \
+	git config --global advice.detachedHead false
+RUN \
+	if [ -z "${PROMETHEUS_VERSION}" ]; then \
+		PROMETHEUS_VERSION=$( \
+			git ls-remote "${PROMETHEUS_REPO}" | \
+			awk '$2 ~ /^refs\/tags\/v[0-9]+\.[0-9]+\.[0-9]+$/ { print substr($2,11) }' | sort -V | tail -n1 \
+		) ; \
+	fi && \
+	echo "selected prometheus branch: ${PROMETHEUS_VERSION}" && \
+	git clone \
+		--branch="${PROMETHEUS_VERSION}" \
+		--depth=1 \
+		"${PROMETHEUS_REPO}" && \
+	cd prometheus && \
+	CGO_ENABLED=0 make build
+
+FROM alpine:3
+
+COPY --from=build /prometheus/prometheus /prometheus
+
+ARG UID=1000
+ARG GID=1000
+
+CMD addgroup -g "${GID}" prometheus && \
+	adduser -D -u "${UID}" -G prometheus prometheus && \
+	chmod 700 /prometheus && chown prometheus:prometheus /prometheus && \
+	su prometheus -c '/prometheus --config.file=/config/prometheus.yml'