redesign fully scaffolded and web login works

lifecycle-sidecar/Dockerfile

@@ -6,12 +6,11 @@ WORKDIR /app
 # Install build dependencies
 RUN apk add --no-cache git ca-certificates
 
-# Copy go mod files
-COPY go.mod go.sum ./
-RUN go mod download
+# Copy go mod and source files
+COPY go.mod main.go ./
 
-# Copy source
-COPY main.go ./
+# Tidy and download dependencies (generates go.sum)
+RUN go mod tidy && go mod download && go mod verify
 
 # Build static binary
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \