Change env variable name for hostname and port (#859)

* Change env variable name for host

* revert some dockerfile changes

* remove in needed comment

Author: Assem-Uber

.docker_env

@@ -2,4 +2,5 @@ CADENCE_CLUSTERS_NAMES=cluster0
 CADENCE_GRPC_PEERS="127.0.0.1:7833"
 CADENCE_GRPC_SERVICES_NAMES=cadence-frontend
 CADENCE_WEB_PORT=8088
+CADENCE_WEB_HOSTNAME=0.0.0.0
 CADENCE_ADMIN_SECURITY_TOKEN=""

Dockerfile

@@ -35,11 +35,11 @@ COPY . .
 # Uncomment the following line in case you want to disable telemetry during the build.
 ENV NEXT_TELEMETRY_DISABLED 1
 # optimize Build size by inclduding only required resources
-ENV NEXT_CONFIG_BUILD_OUTPUT standalone
 
 RUN npm run generate:idl
 RUN npm run build
-
+RUN npm run build-standalone
+RUN npm run post-build-standalone
 
 # Production image, copy all the files and run next
 FROM base AS runner
@@ -68,4 +68,4 @@ COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 USER nextjs
 
 
-CMD  ["sh","-c", "CADENCE_WEB_PORT=${CADENCE_WEB_PORT:-8088} PORT=${CADENCE_WEB_PORT} exec node server.js"]
+CMD  ["sh","-c", "CADENCE_WEB_PORT=${CADENCE_WEB_PORT:-8088} CADENCE_WEB_HOSTNAME=${CADENCE_WEB_HOSTNAME:-0.0.0.0} exec node server.js"]

README.md

@@ -19,6 +19,7 @@ Set these environment variables if you need to change their defaults
 | CADENCE_GRPC_SERVICES_NAMES  | Comma-delimited list of gRPC services to call | cadence-frontend |
 | CADENCE_CLUSTERS_NAMES       | Comma-delimited list of cluster names         | cluster0         |
 | CADENCE_WEB_PORT             | HTTP port to serve on                         | 8088             |
+| CADENCE_WEB_HOSTNAME         | Host name to serve on                         | 0.0.0.0          |
 | CADENCE_ADMIN_SECURITY_TOKEN | Admin token for accessing admin methods       | ''               |
 
 Note: To connect `cadence-web` to multiple clusters, you will need to add comma-delimted entries for `CADENCE_GRPC_PEERS`, `CADENCE_GRPC_SERVICES_NAMES` & `CADENCE_CLUSTERS_NAMES` for each cluster (each cluster values are grouped by their index within the Comma-delimited lists).