Dockerize and enable excalibur to run as a hosted service

.github/workflows/deploy.yml

@@ -0,0 +1,37 @@
+name: deploy
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Publish to Github Packages Registry
+      uses: elgohr/Publish-Docker-Github-Action@master
+      with:
+        name: aakashlpin/excalibur/excalibur
+        registry: docker.pkg.github.com
+        username: ${{ secrets.GITBUH_USERNAME }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+        dockerfile: Dockerfile
+        tags: latest
+    - name: Deploy package to digitalocean
+      uses: appleboy/ssh-action@master
+      env:
+        GITBUH_USERNAME: ${{ secrets.GITBUH_USERNAME }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        host: ${{ secrets.DO_HOST }}
+        username: ${{ secrets.DO_USERNAME }}
+        key: ${{ secrets.SSH_ID_RSA }}
+        envs: GITBUH_USERNAME, GITHUB_TOKEN
+        script: |
+          docker login docker.pkg.github.com -u $GITBUH_USERNAME -p $GITHUB_TOKEN
+          docker pull docker.pkg.github.com/aakashlpin/excalibur/excalibur:latest
+          docker stop excalibur
+          docker run -dit --rm -p 5000:5000 --name excalibur docker.pkg.github.com/aakashlpin/excalibur/excalibur:latest

Dockerfile

@@ -0,0 +1,14 @@
+FROM ubuntu:bionic
+WORKDIR /home/root
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y git libsm6 libxext6 libxrender1 libfontconfig1 python3 python3-pip python-pip python3-tk ghostscript &&  gs -version
+COPY . ./excalibur
+#&& perl -pi -e 's/from werkzeug import secure_filename/from werkzeug.utils import secure_filename/' excalibur/www/views.py \
+RUN cd excalibur \
+  && ls -lah \
+  && pip3 install . \
+  && cd ../
+ENV LC_ALL=C.UTF-8
+ENV LANG=C.UTF-8
+EXPOSE 5000
+ENTRYPOINT [ "python3", "./excalibur/arthur.py" ]

excalibur/config_templates/default_excalibur.cfg

@@ -15,7 +15,7 @@ logging_level = INFO
 [webserver]
 # The host interface on which to listen.
 # 127.0.0.1 means the web server will only respond to requests from the local machine.
-web_server_host = 127.0.0.1
+web_server_host = 0.0.0.0
 
 # The port on which to run the web server.
 web_server_port = 5000

setup.py

@@ -12,6 +12,7 @@
     readme = f.read()
 
 requires = [
+    "opencv-python==4.2.0.34",
     "camelot-py[cv]>=0.7.1",
     "celery>=4.1.1",
     "Click>=7.0",