Dockerise app

Dockerfile

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+FROM nginx:alpine
+EXPOSE 80
+ENV LISTEN_PORT=80 \
+  SERVER_URL=otrecorder \
+  SERVER_PORT=80
+
+COPY nginx.tmpl /etc/nginx/nginx.tmpl
+COPY index.html /usr/share/nginx/html
+COPY static/ /usr/share/nginx/html/static/
+RUN ls /usr/share/nginx/html/*
+CMD /bin/sh -c "envsubst '\${SERVER_URL} \${SERVER_PORT} \${LISTEN_PORT}' < /etc/nginx/nginx.tmpl > /etc/nginx/nginx.conf && nginx -g 'daemon off;' || cat /etc/nginx/nginx.conf"
+

nginx.tmpl

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+worker_processes 1;
+events {
+    worker_connections 1024;
+}
+http {
+    upstream otrecorder {
+        server ${SERVER_URL}:${SERVER_PORT};
+    }
+    server {
+        listen ${LISTEN_PORT};
+        root /usr/share/nginx/html;
+        location /api {
+            proxy_pass http://otrecorder/api/;
+        }
+         location /ws {
+            proxy_pass http://otrecorder/ws/;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection upgrade;
+        }
+        location / {
+            try_files $uri $uri/index.html;
+        }
+    }
+}
+