Templating creating new policy

Dockerfile

@@ -1,31 +1,37 @@
 # ---- Build Stage ----
-FROM golang:latest AS builder
+FROM golang:1.26 AS builder
 
 WORKDIR /app
 
-# Copy go mod files first (better caching)
-COPY go.mod ./
-RUN go mod download
+# ---- Step 1: Copy go.mod/go.sum for caching ----
+# Copy only the minimal files first for layer caching
+COPY libshared/go.mod libshared/go.sum ./libshared/
+COPY policy-manager/go.mod policy-manager/go.sum ./policy-manager/
 
-# Copy source code
-COPY . .
+# ---- Step 2: Download dependencies ----
+RUN go -C libshared mod download
+RUN go -C policy-manager mod download
 
-# Build static binary
+# ---- Step 3: Copy full source code ----
+COPY libshared ./libshared
+COPY policy-manager ./policy-manager
+
+# ---- Step 4: Create Go workspace inside container ----
+RUN go work init ./policy-manager ./libshared
+
+## Optional: verify workspace
+#RUN go work list
+
+# ---- Step 5: Build binary ----
+WORKDIR /app/policy-manager
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o server
 
 # ---- Runtime Stage ----
 FROM gcr.io/distroless/base-debian12
 
 WORKDIR /app
+COPY --from=builder /app/policy-manager/server .
 
-# Copy only the binary from builder
-COPY --from=builder /app/server .
-
-# Expose port
 EXPOSE 8080
-
-# Run as non-root user
 USER nonroot:nonroot
-
-ENTRYPOINT ["/app/server"]
-
+ENTRYPOINT ["/app/server"]