test new slim docker image

.github/workflows/dev-image.yml

@@ -31,7 +31,7 @@ jobs:
             --platform linux/amd64,linux/arm64 \
             --output "type=image,push=false" \
             --tag albertoxamin/bang:dev \
-            --file ./Dockerfile ./
+            --file ./Dockerfile-armv7 ./
       -
         name: Docker Buildx (build)
         run: |
@@ -56,7 +56,7 @@ jobs:
             --platform linux/amd64,linux/arm/v7,linux/arm64 \
             --output "type=image,push=true" \
             --tag albertoxamin/bang:dev \
-            --file ./Dockerfile ./
+            --file ./Dockerfile-armv7 ./
       -
         name: Inspect image
         run: |

Dockerfile-armv7

@@ -2,10 +2,16 @@ FROM node:lts-alpine as builder
 COPY ./frontend .
 RUN npm install
 RUN npm run build
-FROM python:3.7.10-stretch
+
+FROM python:3.7.10-stretch as pybuilder
+WORKDIR /code
+COPY ./backend /code/
+RUN pip install --user -r requirements.txt
+
+FROM python:3.7.10-slim-stretch as app
+COPY --from=pybuilder /root/.local /root/.local
+COPY --from=pybuilder /code /dist
 COPY --from=builder ./dist /dist/
-COPY ./backend /dist/
 WORKDIR /dist
-RUN pip install -r requirements.txt
 EXPOSE 5001
 ENTRYPOINT ["python", "/dist/__init__.py"]