Merge #235

235: Chromium-driver binary is added to Dockerfile  r=alallema a=mdraevich

## What does this PR do?
Fixes #185 (**1 task**)

Dockerfile was updated as follows:
1. **Chromium-driver** was installed using [debian repo](https://packages.debian.org/buster/chromium-driver).
2. The speed of build process was optimized by leveraging build cache ([more](https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#leverage-build-cache)). 

## PR checklist
Please check if your PR fulfills the following requirements:
- [ ] Does this PR fix an existing issue?
- [x] Have you read the contributing guidelines?
- [x] Have you made sure that the title is accurate and descriptive of the changes?


Hope you're doing great,
Matthew

Co-authored-by: Matthew <draevich.matvey@gmail.com>
Co-authored-by: Amélie <alallema@users.noreply.github.com>

Author: 3 people

Dockerfile

@@ -1,14 +1,21 @@
 FROM python:3.8.4-buster
 
-WORKDIR /docs-scraper
-
-COPY . .
-
 ENV LC_ALL C.UTF-8
 ENV LANG C.UTF-8
 
+WORKDIR /docs-scraper
+
 RUN apt-get update -y \
-    && apt-get install -y python3-pip libnss3
+    && apt-get install -y python3-pip libnss3 \
+    && apt-get install -y chromium-driver
 
 RUN pip3 install pipenv
+
+
+COPY Pipfile Pipfile
+COPY Pipfile.lock Pipfile.lock 
+
 RUN pipenv --python 3.8 install
+
+
+COPY . .