updated docker files after local testing

gitpod/Dockerfile

@@ -1,11 +1,11 @@
 #
-# Dockerfile for pandas development
+# micromamba.Dockerfile for pandas development
 #
 # Usage:
 # -------
 #
 # To make a local build of the container, from the 'Docker-dev' directory:
-# docker build  --rm -f "Dockerfile" -t <build-tag> "."
+# docker build  --rm -f "micromamba.Dockerfile" -t <build-tag> "."
 #
 # To use the container use the following command. It assumes that you are in
 # the root folder of the pandas git repository, making it available as
@@ -38,7 +38,6 @@ ENV CONDA_DIR=/home/gitpod/mambaforge3 \
 ENV PATH=${CONDA_DIR}/bin:$PATH \
     WORKSPACE=/workspace/pandas
 
-
 # -----------------------------------------------------------------------------
 # ---- Creating as root - note: make sure to change to gitpod in the end ----
 USER root
@@ -84,15 +83,12 @@ COPY ./gitpod/workspace_config /usr/local/bin/workspace_config
 RUN chmod a+rx /usr/local/bin/workspace_config && \
     workspace_config
 
-# Copy conda environment file into the container - this needs to exists inside
 # the container to create a conda environment from it
 COPY environment.yml /tmp/environment.yml
 
-# -----------------------------------------------------------------------------
-# ---- Create conda environment ----
-# Install pandas dependencies
 RUN mamba env create -f /tmp/environment.yml
-RUN conda activate ${CONDA_ENV} && \
+# ---- Create conda environment ----
+RUN conda activate $CONDA_ENV && \
     mamba install ccache -y && \
     # needed for docs rendering later on
     python -m pip install --no-cache-dir sphinx-autobuild && \

gitpod/gitpod.Dockerfile

@@ -1,13 +1,11 @@
 # Doing a local shallow clone - keeps the container secure
 # and much slimmer than using COPY directly or making a
 # remote clone
-ARG BASE_CONTAINER="pandas/pandas-dev:latest"
+ARG BASE_CONTAINER="pythonpandas/pandas-dev:latest"
 FROM gitpod/workspace-base:latest as clone
 
-COPY --chown=gitpod . /tmp/pandas_repo
-
 # the clone should be deep enough for versioneer to work
-RUN git clone --shallow-since=2022-01-01 file:////tmp/pandas_repo /tmp/pandas
+RUN git clone https://github.com/pandas-dev/pandas --depth 12 /tmp/pandas
 
 # -----------------------------------------------------------------------------
 # Using the pandas-dev Docker image as a base
@@ -24,7 +22,7 @@ USER root
 ENV WORKSPACE=/workspace/pandas/ \
     CONDA_ENV=pandas-dev
 
-# Allows this Dockerfile to activate conda environments
+# Allows this micromamba.Dockerfile to activate conda environments
 SHELL ["/bin/bash", "--login", "-o", "pipefail", "-c"]
 
 # Copy over the shallow clone
@@ -35,8 +33,6 @@ WORKDIR ${WORKSPACE}
 
 # Build pandas to populate the cache used by ccache
 RUN git config --global --add safe.directory /workspace/pandas
-# chained RUN failed to activate. trying separate run commands
-RUN git submodule update --init --depth=1 -- pandas/core/src/umath/svml
 RUN conda activate ${CONDA_ENV} && \
     python setup.py build_ext --inplace && \
     ccache -s