Install causalml from source after installing requirements from conda-forge

Dockerfile

ARG BASE_IMAGE=continuumio/miniconda3
FROM ${BASE_IMAGE}
ARG BASE_IMAGE

RUN git clone https://github.com/uber/causalml.git

WORKDIR causalml
RUN conda create -n my_env python=3.6
RUN conda install -n my_env -c conda-forge --file requirements.txt

# miniconda base doesn't have headers or gcc
RUN apt-get update && apt-get install -y gcc

SHELL ["conda", "run", "-n", "my_env", "/bin/bash", "-c"]
RUN pip install -e .