Use parallel jobs and expose artifacts

.gitlab-ci.yml

@@ -17,4 +17,19 @@ before_script:
 
 build_all:
   stage: build
-  script: "pio run"
+  script:
+    - pio run -e $PIO_ENV
+    # Workaround for artifacts:expose_as not being compatible with the use of variables in artifacts:paths
+    # Instead we can move the firmware from env folder to a common location
+    - mv .pio/build/$PIO_ENV/firmware.hex . || true
+    - mv .pio/build/$PIO_ENV/firmware.bin . || true
+  parallel:
+    matrix:
+      - PIO_ENV: [MiniV2, TAZ6, Workhorse, TAZPro, TAZProXT, Sidekick_289, Sidekick_747]
+  artifacts:
+    expose_as: firmware
+    name: $PIO_ENV-$CI_PIPELINE_IID-$CI_COMMIT_SHA
+    paths:
+      - firmware.hex
+      - firmware.bin
+    expire_in: 14 days