Simple implementation of LACONIC_HOSTED_ENDPOINT (#342)

Former-commit-id: 172300d7bd

app/data/compose/docker-compose-fixturenet-laconic-console.yml

@@ -2,5 +2,7 @@ services:
   laconic-console:
     restart: unless-stopped
     image: cerc/laconic-console-host:local
+    environment:
+      - LACONIC_HOSTED_ENDPOINT=${LACONIC_HOSTED_ENDPOINT:-http://localhost}
     ports:
       - "80"

app/data/container-build/cerc-laconic-console-host/apply-webapp-config.sh

@@ -26,9 +26,10 @@ do
     kv_pair=(${kv_pair_string//=/ })
     template_string_to_replace=${kv_pair[0]}
     template_value_to_substitute=${kv_pair[1]}
+    template_value_to_substitute_expanded=${template_value_to_substitute//LACONIC_HOSTED_ENDPOINT/${LACONIC_HOSTED_ENDPOINT}}
     # Run find and sed to do the substitution of one variable over all files
     # See: https://stackoverflow.com/a/21479607/1701505
-    echo "Substituting: ${template_string_to_replace} = ${template_value_to_substitute}"
+    echo "Substituting: ${template_string_to_replace} = ${template_value_to_substitute_expanded}"
     # Note: we do not escape our strings, on the expectation they do not container the '#' char.
-    find ${webapp_files_dir} -type f -exec sed -i 's#'${template_string_to_replace}'#'${template_value_to_substitute}'#g' {} +
+    find ${webapp_files_dir} -type f -exec sed -i 's#'${template_string_to_replace}'#'${template_value_to_substitute_expanded}'#g' {} +
 done

app/data/container-build/cerc-laconic-console-host/config.yml

@@ -2,5 +2,5 @@
 
 services:
   wns:
-    server: 'http://localhost:9473/api'
-    webui: 'http://localhost:9473/console'
+    server: 'LACONIC_HOSTED_ENDPOINT:9473/api'
+    webui: 'LACONIC_HOSTED_ENDPOINT:9473/console'