make several improvements to building process (#658)

Signed-off-by: Arrobo, Gabriel <gabriel.arrobo@intel.com>

Author: gab-arrobo

Dockerfile

@@ -7,8 +7,8 @@
 FROM golang:1.26.2-bookworm@sha256:4f4ab2c90005e7e63cb631f0b4427f05422f241622ee3ec4727cc5febbf83e34 AS builder
 
 WORKDIR $GOPATH/src/amf
-
 COPY . .
+ARG MAKEFLAGS
 RUN make all
 
 FROM alpine:3.23@sha256:25109184c71bdad752c8312a8623239686a9a2071e8825f20acb8f2198c3f659 AS amf
@@ -35,7 +35,7 @@ ARG DEBUG_TOOLS
 
 RUN apk add --no-cache bash && \
     if [ "$DEBUG_TOOLS" = "true" ]; then \
-        apk add --no-cache vim strace net-tools curl netcat-openbsd bind-tools; \
+        apk add --no-cache vim nano strace net-tools curl netcat-openbsd bind-tools; \
     fi
 
 # Copy executable

Makefile

@@ -48,7 +48,6 @@ COVERAGE_DIR             := .coverage
 
 ## Go build configuration
 GO_FILES                 := $(shell find . -name "*.go" ! -name "*_test.go" 2>/dev/null)
-GO_FILES_ALL             := $(shell find . -name "*.go" 2>/dev/null)
 
 ## Tool versions (for reproducible builds)
 GOLANGCI_LINT_VERSION    ?= latest