A dockerfile to install wrk2 https://github.com/giltene/wrk2

Installing wrk2 with Docker

FROM ubuntu:focal

RUN apt-get update

RUN DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential libreadline-dev curl unzip git libssl-dev libz-dev

RUN curl -R -O http://www.lua.org/ftp/lua-5.3.5.tar.gz && \
    tar -zxf lua-5.3.5.tar.gz && \
    cd lua-5.3.5 && \
    make linux test && \
    make install

RUN curl -R -O https://luarocks.github.io/luarocks/releases/luarocks-3.5.0.tar.gz && \
    tar -xzvf luarocks-3.5.0.tar.gz && \
    cd luarocks-3.5.0 && \
    ./configure && make bootstrap

RUN git clone https://github.com/giltene/wrk2.git && \
    cd wrk2/ && \
    make && pwd && \
    ln -s /wrk2/wrk /usr/local/bin/wrk

ENTRYPOINT [ "wrk" ]
CMD ["--version"]

Create a Dockerfile with these contents and run docker build -t wrk2:latest .

Once the image has been built you can run something like

$ docker run wrk2:latest -d 60s -R 2 https://example.com

Running 1m test @ https://example.com
  2 threads and 10 connections
  Thread calibration: mean lat.: 97.212ms, rate sampling interval: 429ms
  Thread calibration: mean lat.: 96.369ms, rate sampling interval: 429ms
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    27.94ms    3.32ms  44.32ms   80.00%
    Req/Sec     0.96      3.10    11.00     91.30%
  122 requests in 1.00m, 104.61KB read
  Socket errors: connect 0, read 0, write 0, timeout 170
Requests/sec:      2.03
Transfer/sec:      1.74KB

to send 2 requests per second for 1 minute at your testing endpoint.