Dockerfile

# Multi-stage build to generate custom k6 with extension
FROM golang:1.20-alpine3.18 as builder
WORKDIR $GOPATH/src/go.k6.io/k6
COPY . .
RUN apk --no-cache add git=~2
RUN CGO_ENABLED=0 go install go.k6.io/xk6/cmd/xk6@latest  \
    && CGO_ENABLED=0 xk6 build \
    --with github.com/grafana/xk6-output-prometheus-remote=. \
    --output /tmp/k6

# Create image for running k6 with output for Prometheus remote write
FROM alpine:3.18

# hadolint ignore=DL3018
RUN apk add --no-cache ca-certificates && \
    adduser -D -u 12345 -g 12345 k6
COPY --from=builder /tmp/k6 /usr/bin/k6

USER 12345
WORKDIR /home/k6

ENTRYPOINT ["k6"]