Remove hard-coding of packages in Dockerfile

[rmuraix]

Changes

• Remove hard-coding about conda_env.yml in Dockerfile
• Change build commands so that COPY can be used

Why:

• Hardcoding was complicating dependency updates and causing builds to fail

=> ERROR [15/18] RUN conda env create -f conda_env.yml                                                                                                                       49.5s
------                                                                                                                                                                              
 > [15/18] RUN conda env create -f conda_env.yml:                                                                                                                                   
0.992 Channels:                                                                                                                                                                     
0.992  - pytorch                                                                                                                                                                    
0.992  - conda-forge                                                                                                                                                                
0.992  - defaults
0.992 Platform: linux-64
0.992 Collecting package metadata (repodata.json): ...working... done
18.43 Solving environment: ...working... failed
26.71 Channels:
26.71  - pytorch
26.71  - conda-forge
26.71  - defaults
26.71 Platform: linux-64
26.71 Collecting package metadata (repodata.json): ...working... done
40.76 Solving environment: ...working... failed
49.47 
49.47 LibMambaUnsatisfiableError: Encountered problems while solving:
49.47   - package numba-0.53.1-py38ha9443f7_0 requires tbb >=2020.3, but none of the providers can be installed
49.47 
49.47 Could not solve for environment specs
49.47 The following packages are incompatible
49.47 ├─ numba ==0.53.1 py38ha9443f7_0 is installable and it requires
49.47 │  └─ tbb >=2020.3 , which can be installed;
49.47 └─ tbb ==2020.2 hc9558a2_0 is not installable because it conflicts with any installable versions previously reported.
49.47 
------
Dockerfile:124
--------------------
 122 |     ' >> conda_env.yml
 123 |     
 124 | >>> RUN conda env create -f conda_env.yml
 125 |     RUN conda clean -afy
 126 |     RUN rm ./Miniconda3-latest-Linux-x86_64.sh
--------------------
ERROR: failed to solve: process "/bin/bash -c conda env create -f conda_env.yml" did not complete successfully: exit code: 1

[v-iashin]

amazing. thanks.