Revert "Dockerfile: move to Alpine"

Dockerfile

@@ -1,10 +1,8 @@
-FROM continuumio/miniconda3:master-alpine
+FROM continuumio/miniconda3
 
-
-RUN apk update
-RUN apk upgrade
-RUN apk add bash git
-RUN apk add gcc # TODO: only run when not on x64
+# TODO: only run when not on x64
+RUN apt-get update
+RUN apt-get install gcc -y
 
 RUN mkdir /stampydata
 WORKDIR /stampy
@@ -14,7 +12,7 @@ COPY environment.yml .
 RUN --mount=type=cache,mode=0755,target=/root/.cache/pip conda env create -f environment.yml
 
 # Make RUN commands use the new environment:
-RUN echo "conda activate stampy" >> ~/.profile
+RUN echo "conda activate stampy" >> ~/.bashrc
 SHELL ["/bin/bash", "--login", "-c"]
 RUN --mount=type=cache,mode=0755,target=/root/.cache/pip conda activate stampy && conda install pytest