fix: apply best practices for the latest buildkit (#5527)

api/Dockerfile

@@ -1,5 +1,5 @@
 # base image
-FROM python:3.10-slim-bookworm as base
+FROM python:3.10-slim-bookworm AS base
 
 WORKDIR /app/api
 
@@ -14,7 +14,7 @@ ENV POETRY_NO_INTERACTION=1
 ENV POETRY_VIRTUALENVS_IN_PROJECT=true
 ENV POETRY_VIRTUALENVS_CREATE=true
 
-FROM base as packages
+FROM base AS packages
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends gcc g++ libc-dev libffi-dev libgmp-dev libmpfr-dev libmpc-dev
@@ -27,18 +27,18 @@ RUN poetry install --sync --no-cache --no-root
 # production stage
 FROM base AS production
 
-ENV FLASK_APP app.py
-ENV EDITION SELF_HOSTED
-ENV DEPLOY_ENV PRODUCTION
-ENV CONSOLE_API_URL http://127.0.0.1:5001
-ENV CONSOLE_WEB_URL http://127.0.0.1:3000
-ENV SERVICE_API_URL http://127.0.0.1:5001
-ENV APP_WEB_URL http://127.0.0.1:3000
+ENV FLASK_APP=app.py
+ENV EDITION=SELF_HOSTED
+ENV DEPLOY_ENV=PRODUCTION
+ENV CONSOLE_API_URL=http://127.0.0.1:5001
+ENV CONSOLE_WEB_URL=http://127.0.0.1:3000
+ENV SERVICE_API_URL=http://127.0.0.1:5001
+ENV APP_WEB_URL=http://127.0.0.1:3000
 
 EXPOSE 5001
 
 # set timezone
-ENV TZ UTC
+ENV TZ=UTC
 
 WORKDIR /app/api
 
@@ -61,6 +61,6 @@ RUN chmod +x /entrypoint.sh
 
 
 ARG COMMIT_SHA
-ENV COMMIT_SHA ${COMMIT_SHA}
+ENV COMMIT_SHA=${COMMIT_SHA}
 
 ENTRYPOINT ["/bin/bash", "/entrypoint.sh"]