Fix docker file and add doc about how to use it

Signed-off-by: José Luis Di Biase <[email protected]>

Dockerfile

@@ -3,8 +3,8 @@ LABEL maintainer="[email protected]"
 
 WORKDIR /root
 
-RUN git clone --depth=1 https://github.com/twintproject/twint.git && \
-	cd /root/twint && \
-	pip3 install . -r requirements.txt
+COPY . /root/
+RUN cd /root && mkdir output && pip3 install . -r requirements.txt
 
-CMD /bin/bash
+
+ENTRYPOINT ["twint"]

README.md

@@ -63,11 +63,17 @@ pip3 install --user --upgrade git+https://github.com/twintproject/twint.git@orig
 pipenv install git+https://github.com/twintproject/twint.git#egg=twint
 ```
 
-### March 2, 2021 Update
+### Docker
 
-**Added**: Dockerfile
+##### Build
+```bash
+docker build . -t twint
+```
 
-Noticed a lot of people are having issues installing (including me). Please use the Dockerfile temporarily while I look into them. 
+##### Run
+```bash
+docker run --rm -it -v "$PWD:/root/output"  twint -u PROFILE --user-full --json -o output/PROFILE.json
+```
 
 ## CLI Basic Examples and Combos
 A few simple examples to help you understand the basics: