Support public path feature in Docker image (#213)

* Support serving UI from sub path

* handle public path with URL rewrite

* Support changing public path when running from Docker image

Dockerfile

@@ -1,18 +1,22 @@
 ARG BASE_SERVER_IMAGE=temporalio/base-server:1.9.0
 ARG BASE_BUILDER_IMAGE=temporalio/base-builder:1.8.0
-ARG GOPROXY
 
 ##### UI builder #####
 FROM ${BASE_BUILDER_IMAGE} AS ui-builder
+ARG TEMPORAL_PUBLIC_PATH
 
 WORKDIR /home/ui-builder
 
-# pre-build dependecies to improve subsequent build times
+RUN apk add --update --no-cache \
+    npm
+RUN npm install -g pnpm
+
 COPY go.mod go.sum ./
 RUN go mod download
 
 COPY . .
-RUN make build-server
+ENV VITE_PUBLIC_PATH=$TEMPORAL_PUBLIC_PATH
+RUN make install build-ui build-server
 
 ##### UI server #####
 FROM ${BASE_SERVER_IMAGE} AS ui-server

cloud.Dockerfile

@@ -1,22 +1,22 @@
 ARG BASE_SERVER_IMAGE=temporalio/base-server:1.9.0
 ARG BASE_BUILDER_IMAGE=temporalio/base-builder:1.8.0
-ARG GOPROXY
 
 ##### UI builder #####
 FROM ${BASE_BUILDER_IMAGE} AS ui-builder
+ARG TEMPORAL_PUBLIC_PATH
 
 WORKDIR /home/ui-builder
 
 RUN apk add --update --no-cache \
     npm
-
 RUN npm install -g pnpm
 
 COPY go.mod go.sum ./
 RUN go mod download
 
 COPY . .
-RUN make install-utils install-ui build-cloud
+ENV VITE_PUBLIC_PATH=$TEMPORAL_PUBLIC_PATH
+RUN make install build-cloud
 
 ##### UI server #####
 FROM ${BASE_SERVER_IMAGE} AS ui-server