Minor improvements

Dockerfile

@@ -5,22 +5,31 @@ LABEL org.opencontainers.image.vendor="ScoutinScience B.V."
 LABEL org.opencontainers.image.authors="andras@schmelczer.dev"
 LABEL org.opencontainers.image.source="https://github.com/ScoutinScience/great_ai"
 
-ENV ENVIRONMENT production
+ENV ENVIRONMENT=production
 EXPOSE 6060
 
+# curl is needed for the healthcheck
 RUN DEBIAN_FRONTEND=noninteractive apt update &&\
     apt install curl -y &&\
     rm -rf /var/lib/apt/lists/*
 
+WORKDIR /dependencies
 COPY . great_ai
-RUN pip3 install --no-cache-dir ./great_ai &&\
+RUN python3 -m pip --no-cache-dir install --upgrade pip &&\
+    pip install --no-cache-dir ./great_ai &&\
     rm -rf great_ai
 
+# great_ai.utilities.nlp depends on this
 RUN pip3 install --no-cache-dir en-core-web-sm@https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.3.0/en_core_web_sm-3.3.0-py3-none-any.whl
 
-HEALTHCHECK --interval=60s --timeout=60s --start-period=90s --retries=5 CMD [ "curl", "--fail", "http://localhost:6060/health" ]
+HEALTHCHECK \
+    --interval=60s \
+    --timeout=60s  \
+    --start-period=90s \
+    --retries=5 \
+    CMD [ "curl", "--fail", "http://localhost:6060/health" ]
 
 WORKDIR /app
 VOLUME /app
 
-ENTRYPOINT ["/bin/sh", "python3", "-m", "great_ai"]
+ENTRYPOINT ["/usr/local/bin/python3", "-m", "great_ai"]