Adding host as a configurable variable

Dockerfile

@@ -29,7 +29,7 @@ LABEL \
     org.opencontainers.image.licenses="MIT"
 WORKDIR /app
 COPY --from=build /app /app
-ENV HTTP_PORT=8080 HTTPS_PORT=8443
+ENV HTTP_PORT=8080 HTTPS_PORT=8443 HTTP_HOST=0.0.0.0 HTTPS_HOST=0.0.0.0
 EXPOSE $HTTP_PORT $HTTPS_PORT
 USER 1000
 CMD ["node", "./index.js"]

index.js

@@ -212,9 +212,9 @@ if(process.env.MTLS_ENABLE){
     }
 }
 
-var httpServer = http.createServer(httpOpts, app).listen(process.env.HTTP_PORT || 8080);
-var httpsServer = https.createServer(httpsOpts,app).listen(process.env.HTTPS_PORT || 8443);
-console.log(`Listening on ports ${process.env.HTTP_PORT || 8080} for http, and ${process.env.HTTPS_PORT || 8443} for https.`);
+var httpServer = http.createServer(httpOpts, app).listen(process.env.HTTP_PORT || 8080, process.env.HTTP_HOST || '0.0.0.0');
+var httpsServer = https.createServer(httpsOpts,app).listen(process.env.HTTPS_PORT || 8443, process.env.HTTPS_HOST || '0.0.0.0');
+console.log(`Listening on ${process.env.HTTP_HOST || '0.0.0.0'}:${process.env.HTTP_PORT || 8080} for http, and ${process.env.HTTPS_HOST || '0.0.0.0'}:${process.env.HTTPS_PORT || 8443} for https.`);
 
 let calledClose = false;
 

tests.sh

@@ -653,6 +653,22 @@ message " Stop containers "
 docker stop http-echo-tests
 sleep 5
 
+message " Start container with different hostnames "
+docker run -d --rm -e HTTP_HOST=127.0.0.1 -e HTTPS_HOST=127.0.0.1 --name http-echo-tests -p 8080:8080 -p 8443:8443 -t mendhak/http-https-echo:testing
+sleep 5
+REQUEST=$(curl -s -k http://127.0.0.1:8080/hello-world)
+if [[ "$REQUEST" == "Hello World" ]]
+then
+    passed "Different hostnames test passed."
+else
+    failed "Different hostnames test failed."
+    exit 1
+fi
+
+message " Stop containers "
+docker stop http-echo-tests
+sleep 5
+
 popd
 rm -rf testarea
 message "DONE"