feat(Docker): Facilitate the ability to run the OHIF docker image over SSL (#3511)

.docker/Viewer-v3.x/default.conf.template

@@ -1,5 +1,6 @@
 server {
-  listen ${PORT};
+  listen ${PORT} default_server;
+  listen [::]:${PORT} default_server;
   location / {
     root   /usr/share/nginx/html;
     index  index.html index.htm;

.docker/Viewer-v3.x/default.ssl.conf.template

@@ -0,0 +1,22 @@
+server {
+  listen ${SSL_PORT} ssl http2 default_server;
+  listen [::]:${SSL_PORT} ssl http2 default_server;
+  ssl_certificate /etc/ssl/certs/ssl-certificate.crt;
+  ssl_certificate_key /etc/ssl/private/ssl-private-key.key;
+  location / {
+    root   /usr/share/nginx/html;
+    index  index.html index.htm;
+    try_files $uri $uri/ /index.html;
+    add_header Cross-Origin-Opener-Policy same-origin;
+    add_header Cross-Origin-Embedder-Policy require-corp;
+    add_header Cross-Origin-Resource-Policy same-origin;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
+  }
+  error_page   500 502 503 504  /50x.html;
+  location = /50x.html {
+    root   /usr/share/nginx/html;
+  }
+}

.docker/Viewer-v3.x/entrypoint.sh

@@ -1,6 +1,16 @@
 #!/bin/sh
 
-envsubst '${PORT}' < /usr/src/default.conf.template > /etc/nginx/conf.d/default.conf
+if [ -n "$SSL_PORT" ]
+  then
+    envsubst '${SSL_PORT}:${PORT}' < /usr/src/default.ssl.conf.template > /etc/nginx/conf.d/default.conf
+  else
+    envsubst '${PORT}' < /usr/src/default.conf.template > /etc/nginx/conf.d/default.conf
+fi
+
+if [ -n "$APP_CONFIG" ]
+  then
+    echo "$APP_CONFIG" > /usr/share/nginx/html/app-config.js
+fi
 
 if [ -n "$CLIENT_ID" ] || [ -n "$HEALTHCARE_API_ENDPOINT" ]
   then