Add code support for running HTTPSWatch in Docker

Dockerfile

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+FROM alpine:latest
+MAINTAINER Antonios A. Chariton <[email protected]>
+
+# Install Python 3, pip, and lxml dependencies
+RUN apk add --update    python3 \
+                        python3-dev \
+                        build-base \
+                        libxml2 \
+                        libxslt \
+                        libxml2-dev \
+                        libxslt-dev \
+                        py-libxml2 \
+                        py-libxslt 
+RUN python3 -m ensurepip
+RUN pip3 install --upgrade pip setuptools
+
+# Move everything inside the image
+RUN mkdir /httpswatch
+COPY . /httpswatch/.
+WORKDIR /httpswatch
+
+# Install the required python modules
+RUN pip3 install -r requirements.txt
+
+# Expose port 80
+EXPOSE 80
+
+# Expose configuration volume
+VOLUME ["/httpswatch/config/"]
+
+# Install nginx
+RUN apk add nginx
+
+# Configure nginx
+COPY ./docker/nginx.conf /etc/nginx/nginx.conf
+
+# Move Docker Scripts
+COPY ./docker/run.sh /bin/run.sh
+COPY ./docker/periodic-checks.sh /bin/periodic-checks.sh
+
+# Run nginx + periodic checker
+CMD ["/bin/run.sh"]

docker/nginx.conf

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+worker_processes  1;
+pid /tmp/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       mime.types;
+    default_type  application/octet-stream;
+
+    sendfile        on;
+
+    keepalive_timeout  65;
+
+    server {
+        listen       80;
+        server_name  localhost;
+        index  index.html index.htm;
+
+        location / {
+            root   /httpswatch/out;
+            try_files $uri $uri.html /index.html;
+        }
+
+        location /static/ {
+            root /httpswatch;
+        }
+
+    }
+
+}

docker/periodic-checks.sh

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+#!/bin/sh
+
+export SLEEP=86400
+
+echo "Periodic Checker launched!"
+while :; do
+    echo "Checking for all websites on $(date)...";
+    ./check_https.py;
+    echo "Done checking on $(date).";
+    echo "Sleeping for $SLEEP seconds...";
+    sleep $SLEEP;
+    echo "Done!"
+done

docker/run.sh

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+#!/bin/sh
+
+echo "Launching periodic checker..."
+/bin/periodic-checks.sh &
+echo "Done"
+echo "Launching nginx..."
+nginx -g "daemon off;"