Update dockerfile

Dockerfile

 FROM ubuntu:latest
-# Set some environment variables that will be needed later
-ENV HDF5_DIR=/usr/local/HDF_Group/HDF5/1.13.1/
 
-# Copy recipes
+# Copy recipes and set workdir
 COPY dependencies workdir
+WORKDIR workdir
 
 # Install some dependencies through apt
 RUN export DEBIAN_FRONTEND=noninteractive \
@@ -12,12 +11,6 @@ RUN export DEBIAN_FRONTEND=noninteractive \
     && apt install -yq swig gcc gfortran pkg-config libzstd-dev \
     && apt install -yq libproj-dev proj-data proj-bin libgeos-dev libeccodes-dev
 
-WORKDIR workdir
+
 # Install the filters + libpressio + enstools-compression
 RUN make
-
-# Download the script to compare data compressed with the filters and libpressio
-RUN mkdir test_coherence/ ; cd test_coherence/; \
-    wget https://gist.githubusercontent.com/orioltinto/a33e4a24c91e0b7630cece6459cb74a5/raw/2fdebf0c85cb360e5c9a974c5b4f54250ccd7954/check_libpressio_filter_consistency.py
-
-ENV HDF5_PLUGIN_PATH=/usr/local/lib/