diff --git a/Dockerfile b/Dockerfile
index d3b2f2411..63db32e05 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,23 +1,17 @@
 FROM mambaorg/micromamba:2.0.8-debian12-slim AS build
 
-RUN micromamba install -y python=3.12 blas[build=mkl] 'numpy=2.4.*' scipy tqdm pyyaml pillow click gcc
-RUN micromamba install -y openmpi=4.1.6 mpi
-RUN micromamba install -y h5py[build=*openmpi*] hdf5plugin
-RUN micromamba install -y mpi4py
-RUN micromamba install -y aiofiles graypy imageio loguru pluggy pytest iniconfig
-RUN micromamba install -y tomopy=1.15.3 scikit-image
-RUN micromamba install -y cuda-version=12.9 cuda-cudart==12.9.* cupy=14.0.* nvtx
-RUN micromamba install -y -c astra-toolbox -c conda-forge astra-toolbox::astra-toolbox
-RUN micromamba run python -m pip install tomobar
-RUN micromamba run python -m pip install --no-deps httomolib httomolibgpu httomo-backends
+RUN micromamba install -y -c astra-toolbox -c conda-forge python=3.12 blas[build=mkl] 'numpy=2.4.*' tqdm pyyaml pillow click gcc openmpi=4.1.6 mpi h5py[build=*openmpi*] hdf5plugin mpi4py aiofiles graypy imageio loguru iniconfig tomopy=1.15.3 scikit-image cuda-version=12.9 cuda-cudart==12.9.* cupy=14.0.* nvtx astra-toolbox::astra-toolbox
+RUN micromamba run python -m pip install --no-cache-dir --no-deps tomobar httomolib httomolibgpu httomo-backends
+RUN micromamba uninstall -n base -y gcc
 RUN micromamba clean -y --all --force-pkgs-dirs
 
 COPY . .
-RUN micromamba run python -m pip install --no-deps .
+RUN micromamba run python -m pip install --no-cache-dir --no-deps .
 
 FROM nvidia/cuda:12.9.1-base-ubuntu24.04 AS deploy
 
 COPY --from=build /opt/conda /opt/conda
 ENV CONDA_PREFIX=/opt/conda
+ENV OMPI_MCA_plm_rsh_agent=
 
 ENTRYPOINT ["/opt/conda/bin/python", "-m", "httomo", "run"]