Rewrite docker & docker-compose files

Author: mhucka

.github/workflows/ci_docker_tests.yaml

@@ -69,7 +69,7 @@ jobs:
         run: |
           docker version
           docker buildx version
-          docker compose build --no-cache
+          docker compose build
 
       - name: Run C++ tests
         run: docker run --rm qsim-cxx-tests:latest

Dockerfile

@@ -1,5 +1,5 @@
 # Base OS
-FROM ubuntu:24.04
+FROM ubuntu:24.04 as qsim-base
 
 # Allow passing this variable in from the outside.
 ARG CUDA_PATH

docker-compose.yml

@@ -1,28 +1,24 @@
 services:
-    qsim-base:
+    qsim-base-image:
         platform: linux/amd64
-        image: qsim
-        container_name: qsim
+        image: qsim-base
         build:
             context: ./
             dockerfile: Dockerfile
+            target: qsim-base
 
     qsim-cxx-tests:
-        platform: linux/amd64
-        image: qsim-cxx-tests
-        container_name: qsim-cxx-tests
         build:
             context: ./
             dockerfile: tests/Dockerfile
+            target: qsim-cxx-tests
         depends_on:
-          - qsim-base
+          - qsim-base-image
 
     qsim-py-tests:
-        platform: linux/amd64
-        image: qsim-py-tests
-        container_name: qsim-py-tests
         build:
             context: ./
             dockerfile: pybind_interface/Dockerfile
+            target: qsim-py-tests
         depends_on:
-          - qsim-base
+          - qsim-base-image

pybind_interface/Dockerfile

@@ -1,5 +1,5 @@
 # Base OS
-FROM qsim
+FROM qsim-base as qsim-py-tests
 
 # Copy relevant files
 COPY ./pybind_interface/ /qsim/pybind_interface/

tests/Dockerfile

@@ -1,5 +1,5 @@
 # Base OS
-FROM qsim
+FROM qsim-base as qsim-cxx-tests
 
 # Copy relevant files
 COPY ./tests/ /qsim/tests/