fix: use micromamba base image with a user for permission management

Dockerfile

@@ -1,6 +1,25 @@
-FROM continuumio/miniconda3
+ARG BASE_IMAGE=mambaorg/micromamba
+ARG BASE_TAG=1.5-jammy
+ARG MAMBA_PYTHON_VERSION=3.10
+
+FROM --platform=linux/amd64 ${BASE_IMAGE}:${BASE_TAG}
+
+ARG MAMBA_PYTHON_VERSION
+ENV DEBIAN_FRONTEND=noninteractive
 
 WORKDIR /usr/src/app
+
+# Install conda env
+RUN micromamba install -y -n base -c conda-forge \
+    pyopenssl=23.2.0 \
+    python=${MAMBA_PYTHON_VERSION} \
+    requests=2.25.1 \
+    && micromamba clean --all --yes
+
+ARG MAMBA_DOCKERFILE_ACTIVATE=1  # (otherwise python will not be found)
+ENV BASH_ENV=/usr/local/bin/_activate_current_env.sh
+ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/conda/lib
+
 # install dependencies
 ADD requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
@@ -10,4 +29,9 @@ ENV GRADIO_SERVER_NAME="0.0.0.0"
 
 ADD . .
 
+# Prepare user
+USER $MAMBA_USER
+
+ENTRYPOINT ["/usr/local/bin/_entrypoint.sh"]
+
 CMD ["python", "inference_app.py"]