chore: fix port used in healthcheck for docker

expose correct port as well

.env.example

@@ -16,9 +16,9 @@ GENESIS_LOG_MODE=development
 # Port to listen on
 GENESIS_PORT=8080
 
-# Users to be created on start up, use ! as suffix for the username
-# to indicate that this user should be created as an admin.
-# These can add, remove and edit users.
+# Users to be created on start up.
+# Use ! as suffix for the username to indicate that this user should be created as an admin.
+# Admins can add, remove and edit users.
 GENESIS_CREATE_USERS=admin!:2lWK6m4hgmxjUGHo
 
 # Allowed username pattern

Dockerfile

@@ -21,12 +21,12 @@ WORKDIR /app
 
 COPY --from=build /app/genesis /app
 
-EXPOSE 8080
+EXPOSE ${GENESIS_PORT}
 
 ENV GENESIS_BUILD_VERSION=${GENESIS_BUILD_VERSION}
 ENV GENESIS_BUILD_DATE=${GENESIS_BUILD_DATE}
 ENV GENESIS_BUILD_COMMIT=${GENESIS_BUILD_COMMIT}
 
-HEALTHCHECK CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
+HEALTHCHECK CMD wget --no-verbose --tries=1 --spider http://localhost:${GENESIS_PORT}/health || exit 1
 
 CMD ["./genesis"]