filtering for latest tag in dockerfile

Author: abarbie

.github/workflows/build-arm64v8.yml

@@ -12,7 +12,8 @@ jobs:
     - name: Build with Docker Compose
       working-directory: ./PiCar-X
       run: |
-        TAG=arm64v8 docker compose -f docker-compose-core.yml build
+        TAG=arm64v8 docker compose -f docker-compose-core.yml build --no-cache
+        TAG=arm64v8 docker compose -f docker-compose-dtp.yml build --no-cache
 
 #    - name: Run pytest in Docker container
 #      run: |
@@ -25,4 +26,4 @@ jobs:
     - name: Push to Docker Hub
       working-directory: ./PiCar-X
       run: |
-        TAG=arm64v8 docker compose -f docker-compose-core.yml push
+        TAG=arm64v8 docker compose -f docker-compose-dtp.yml push

PiCar-X/Dockerfile

@@ -1,6 +1,6 @@
 ARG TAG=latest
-
-FROM ${TAG:+${TAG}/}ros:noetic as rosnoetic
+ARG ISLATEST=${TAG##latest}
+FROM ${ISLATEST:+${TAG}/}ros:noetic as rosnoetic
 WORKDIR /root/catkin_ws/
 RUN apt update -y \
     && apt-get install -y python3-pip python3-setuptools python3-catkin-tools wget unzip curl nano \