Dockerfile

# Use the offical Golang image to create a build artifact.
# This is based on Debian and sets the GOPATH to /go.
# https://hub.docker.com/_/golang
FROM golang:1.13.7-alpine as builder

RUN apk add --no-cache gcc libc-dev git

WORKDIR /go/src/github.com/keptn-contrib/jmeter-extended-service

ARG version=develop
ENV VERSION="${version}"

# Force the go compiler to use modules
ENV GO111MODULE=on
ENV BUILDFLAGS=""
ENV GOPROXY=https://proxy.golang.org

# Copy `go.mod` for definitions and `go.sum` to invalidate the next layer
# in case of a change in the dependencies
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

ARG debugBuild

# set buildflags for debug build
RUN if [ ! -z "$debugBuild" ]; then export BUILDFLAGS='-gcflags "all=-N -l"'; fi

# Copy local code to the container image.
COPY . .

# Build the command inside the container.
# (You may fetch or manage dependencies here, either manually or with a tool like "godep".)
RUN GOOS=linux go build -ldflags '-linkmode=external' $BUILDFLAGS -v -o jmeter-extended-service

# Use a Docker multi-stage build to create a lean production image.
# https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds
FROM alpine:3.11
ENV env=production
ARG JMETER_VERSION="5.1.1"
ENV JMETER_HOME /opt/apache-jmeter-${JMETER_VERSION}
ENV	JMETER_BIN	${JMETER_HOME}/bin
ENV	JMETER_DOWNLOAD_URL  https://archive.apache.org/dist/jmeter/binaries/apache-jmeter-${JMETER_VERSION}.tgz

# Install extra packages
# See https://github.com/gliderlabs/docker-alpine/issues/136#issuecomment-272703023
# Change TimeZone TODO: TZ still is not set!
ARG TZ="Europe/Amsterdam"
RUN    apk update \
	&& apk upgrade \
	&& apk add ca-certificates libc6-compat \
	&& update-ca-certificates \
	&& apk add --update openjdk8-jre tzdata curl unzip bash \
	&& apk add --no-cache nss \
	&& rm -rf /var/cache/apk/* \
	&& mkdir -p /tmp/dependencies  \
	&& curl -L --silent ${JMETER_DOWNLOAD_URL} >  /tmp/dependencies/apache-jmeter-${JMETER_VERSION}.tgz  \
	&& mkdir -p /opt  \
	&& tar -xzf /tmp/dependencies/apache-jmeter-${JMETER_VERSION}.tgz -C /opt  \
	&& rm -rf /tmp/dependencies

# Set global PATH such that "jmeter" command is found
ENV PATH $PATH:$JMETER_BIN

# Copy the binary to the production image from the builder stage.
COPY --from=builder /go/src/github.com/keptn-contrib/jmeter-extended-service/jmeter-extended-service /jmeter-extended-service

EXPOSE 8080

# required for external tools to detect this as a go binary
ENV GOTRACEBACK=all

# KEEP THE FOLLOWING LINES COMMENTED OUT!!! (they will be included within the travis-ci build)
#travis-uncomment ADD docker/MANIFEST /
#travis-uncomment COPY docker/entrypoint.sh /
#travis-uncomment ENTRYPOINT ["/entrypoint.sh"]

# Run the web service on container startup.
CMD ["/jmeter-extended-service"]