simplify: setup.sh just builds and drops binary in /opt/fw/

No directory structure creation, no confusing messages.
Deploy binary handles everything else.

setup.sh

@@ -1,98 +1,59 @@
 #!/bin/bash
 # ==============================================================================
-# Wallarm Deployment — Bootstrap
+# Wallarm Deployment Bootstrap
 # ==============================================================================
-# Creates /opt/wallarm/, downloads source, builds the deploy binary.
+# Builds the deploy binary and installs to /opt/fw/.
+# The binary handles everything: symlinks, extraction, setup.
 #
 #   curl -fsSL ".../setup.sh" | bash
-#   sudo /opt/wallarm/deploy
-#
-# All deployments live under /opt/wallarm/.
+#   sudo /opt/fw/deploy
 # ==============================================================================
 
 set -euo pipefail
 
 BOLD='\033[1m'
 GREEN='\033[0;32m'
-CYAN='\033[0;36m'
 YELLOW='\033[1;33m'
 RED='\033[0;31m'
 NC='\033[0m'
 
 REPO_URL="https://git.sechpoint.app/customer-engineering/wallarm.git"
 WALLARM_DIR="/opt/fw"
-SOURCE_DIR="${WALLARM_DIR}/source"
 BUILD_DIR="/tmp/wallarm-build-$$"
 
 cleanup() { rm -rf "$BUILD_DIR"; }
 trap cleanup EXIT
 
-echo -e "${BOLD}Wallarm Deployment Bootstrap${NC}"
-echo
+echo -e "${BOLD}Wallarm Bootstrap${NC}"
 
 # ── Prerequisites ─────────────────────────────────────────────────────
-install_go() {
-    echo -e "${YELLOW}Installing Go...${NC}"
-    if command -v apt-get >/dev/null 2>&1; then
-        apt-get update -qq && apt-get install -y -qq golang-go
-    elif command -v yum >/dev/null 2>&1; then
-        yum install -y golang
-    elif command -v dnf >/dev/null 2>&1; then
-        dnf install -y golang
-    elif command -v apk >/dev/null 2>&1; then
-        apk add --no-cache go
-    else
-        echo -e "${RED}Cannot install Go. Install Go 1.21+ manually.${NC}"
-        exit 1
-    fi
-}
-
 if ! command -v git >/dev/null 2>&1; then
     apt-get update -qq 2>/dev/null && apt-get install -y -qq git 2>/dev/null || true
 fi
 if ! command -v go >/dev/null 2>&1; then
-    install_go
+    echo -e "${YELLOW}Installing Go...${NC}"
+    apt-get update -qq 2>/dev/null && apt-get install -y -qq golang-go 2>/dev/null || {
+        echo -e "${RED}Install Go 1.21+ manually.${NC}"; exit 1
+    }
 fi
+echo -e "${GREEN}git $(git --version | cut -d' ' -f3)  go $(go version | cut -d' ' -f3)${NC}"
 
-echo -e "${GREEN}git: $(git --version | cut -d' ' -f3)  go: $(go version | cut -d' ' -f3)${NC}"
-
-# ── Create /opt/wallarm/ ──────────────────────────────────────────────
-echo
-echo -e "${YELLOW}Creating /opt/wallarm/ directory structure...${NC}"
-mkdir -p "${WALLARM_DIR}"
-cd "${WALLARM_DIR}"
-echo -e "${GREEN}  Done.${NC}"
-
-# ── Clone and build ───────────────────────────────────────────────────
-echo
-echo -e "${YELLOW}Cloning repository...${NC}"
+# ── Build ─────────────────────────────────────────────────────────────
+echo -e "${YELLOW}Cloning...${NC}"
 git clone --depth 1 "$REPO_URL" "$BUILD_DIR" 2>/dev/null
 
-echo -e "${YELLOW}Building deploy binary (~30s)...${NC}"
+echo -e "${YELLOW}Building (~30s)...${NC}"
 cd "$BUILD_DIR"
 go build -ldflags="-s -w -X main.version=$(git describe --tags --always 2>/dev/null || echo 'dev')" -o deploy ./cmd/deploy/
-
-# UPX compress if available
-if command -v upx >/dev/null 2>&1; then
-    upx --best --lzma deploy -o deploy.tmp 2>/dev/null && mv deploy.tmp deploy || true
-fi
+command -v upx >/dev/null 2>&1 && upx --best --lzma deploy -o deploy.tmp 2>/dev/null && mv deploy.tmp deploy || true
 
 # ── Install ───────────────────────────────────────────────────────────
-cp deploy "${WALLARM_DIR}/deploy"
-chmod +x "${WALLARM_DIR}/deploy"
-
-# Copy source for local rebuilds
-rm -rf "${SOURCE_DIR}"/*
-cp -r cmd internal go.mod go.sum "${SOURCE_DIR}/" 2>/dev/null || true
+mkdir -p "$WALLARM_DIR"
+cp deploy "$WALLARM_DIR/deploy"
+chmod +x "$WALLARM_DIR/deploy"
 
+V=$("$WALLARM_DIR/deploy" --version 2>/dev/null || echo "unknown")
 echo
-V=$("${WALLARM_DIR}/deploy" --version 2>/dev/null || echo "unknown")
 echo -e "${GREEN}${BOLD}Ready!${NC}  (${V})"
-echo
-echo -e "  ${CYAN}sudo /opt/wallarm/deploy${NC}        — Start the TUI"
-echo -e "  ${CYAN}/opt/wallarm/deploy --help${NC}     — Show commands"
-echo -e "  ${CYAN}/opt/wallarm/deploy --tunnel${NC}   — Start remote tunnel"
-echo
-echo -e "  Source: ${SOURCE_DIR}/  (rebuild: cd ${SOURCE_DIR} && go build ./cmd/deploy/)"
-echo
-ls -lh "${WALLARM_DIR}/deploy"
+echo -e "  ${GREEN}sudo /opt/fw/deploy${NC}"
+ls -lh "$WALLARM_DIR/deploy"