Update Dockerfile

Dockerfile

@@ -24,8 +24,8 @@ run wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh -
 run bash ~/miniconda/install.sh -b -u -p ~/miniconda
 run ~/miniconda/bin/conda env create -f ./env.yml
 run ~/miniconda/bin/conda install pip
-run ~/miniconda/bin/conda init bash
-run ~/miniconda/bin/conda activate env
+run ~/miniconda/bin/conda init bash \
+    && ~/miniconda/bin/conda activate env
 run python3 -m venv env
 run source env/bin/activate
 run pip install --upgrade --no-cache-dir -r requirements2.txt