update DockerFile

Dockerfile

@@ -1,17 +1,23 @@
-FROM mambaorg/micromamba:latest as build_ign_pdal_plugin
-COPY environment_docker.yml /environment_docker.yml
-
-USER root
-RUN micromamba env create -f /environment_docker.yml
+FROM mambaorg/micromamba:bullseye-slim as build
+
+COPY environment.yml /environment_docker.yml
+
+USER root
+RUN micromamba env create -f /environment_docker.yml
 SHELL ["micromamba", "run", "-n", "pdal_ign_plugin", "/bin/bash", "-c"]
-
-COPY . .
-
 RUN apt-get update && apt-get install --no-install-recommends -y cmake make build-essential g++ && rm -rf /var/lib/apt/lists/*
-
-RUN cmake -G"Unix Makefiles" -DCONDA_PREFIX=$CONDA_PREFIX -DCMAKE_BUILD_TYPE=Release  
+
+COPY src src
+COPY CMakeLists.txt CMakeLists.txt
+
+RUN cmake -G"Unix Makefiles" -DCONDA_PREFIX=$CONDA_PREFIX -DCMAKE_BUILD_TYPE=Release  
 RUN make -j4 install
-
-ENV PATH=$PATH:/opt/conda/envs/pdal_ign_plugin/bin/
-ENV PROJ_LIB=/opt/conda/envs/pdal_ign_plugin/share/proj/
-ENV PDAL_DRIVER_PATH=/tmp/install/lib 
+
+FROM debian:bullseye-slim
+
+COPY --from=build /opt/conda/envs/pdal_ign_plugin /opt/conda/envs/pdal_ign_plugin
+COPY --from=build /tmp/install/lib /tmp/install/lib
+
+ENV PATH=$PATH:/opt/conda/envs/pdal_ign_plugin/bin/
+ENV PROJ_LIB=/opt/conda/envs/pdal_ign_plugin/share/proj/
+ENV PDAL_DRIVER_PATH=/tmp/install/lib