fixes 3 - make it work

README.md

@@ -12,15 +12,15 @@ The container has NASM, GCC, GDB, Make, Vim, et cetera installed.
 Make sure you've got Docker running, then run
 
 ```sh
-docker-compose build
+docker compose build
 ```
 
 ## Development
 
 To load the Debian container's Bash shell run
 
 ```sh
-docker-compose run nasm-gcc
+docker compose run nasm-gcc
 ```
 
 ...and you'll see a command prompt like this
@@ -41,12 +41,14 @@ for example, run `docker-compose run nasm-gcc` to enter the container shell,
 then run
 
 ```sh
-nasm -felf64 helloworld.asm -o helloworld.o
-ld -o helloworld.out helloworld.o
-chmod u+x helloworld.out
-./helloworld.out
+nasm -felf64 helloworld.asm -o helloworld.o 
+ld -o helloworld.out helloworld.o           # link helloworld.out with helloworld.o
+chmod u+x helloworld.out                    # give helloworld.out execute permission
+./helloworld.out                            # run helloworld.out
 ```
 
+or just `make run`
+
 ...and you'll see "hello world!" printed to stdout.
 
 ## Disassembly

nasm-gcc/Dockerfile

@@ -1,7 +1,7 @@
-FROM debian:jessie
-
-RUN apt-get update -y && apt-get install build-essential gdb nasm vim -y
+FROM debian:bookworm
 
+RUN apt-get update -y && apt-get install -y build-essential sudo vim gdb nasm
 RUN groupadd -g 999 llp && useradd -r -u 999 -g llp llp
+RUN usermod -aG sudo llp
 
 USER llp

nasm-gcc/src/Makefile

@@ -0,0 +1,10 @@
+.default: build
+.PHONY: build
+build:
+	@nasm -felf64 helloworld.asm -o helloworld.o 
+	@ld -o helloworld.out helloworld.o           # link helloworld.out with helloworld.o
+	@chmod u+x helloworld.out                    # give helloworld.out execute permission
+
+.PHONY: run
+run: build
+	@./helloworld.out                            # run helloworld.out