Otimiza criação de imagem

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.7-slim-buster as base
+FROM python:3.7-slim-buster
 
 # Setup env
 ENV LANG C.UTF-8
@@ -11,23 +11,18 @@ ENV DEBIAN_FRONTEND noninteractive
 
 ENV BUILD_PACKAGES apt-file libpq-dev graphviz-dev graphviz build-essential git pkg-config \
                    python3-dev libxml2-dev libjpeg-dev libssl-dev libffi-dev libxslt1-dev pgadmin3 \
-                   python3-lxml python3-magic postgresql-contrib postgresql-client libcairo2-dev \
+                   python3-lxml python3-magic postgresql-client libcairo2-dev \
-                   python3-psycopg2 poppler-utils vim curl jq vim openssh-client bash software-properties-common \
+                   python3-psycopg2 poppler-utils vim curl jq vim bash software-properties-common \
                    software-properties-common python3-setuptools python3-venv nginx tzdata nodejs
 
-RUN apt-get update && apt-get upgrade -y && apt-get install -y --no-install-recommends apt-utils
+RUN apt-get update && apt-get upgrade -y && apt-get install -y --no-install-recommends apt-utils && \
-
+    mkdir -p /usr/share/man/man1 && mkdir -p /usr/share/man/man7 && \
-RUN apt-get install -y --no-install-recommends $BUILD_PACKAGES
+    apt-get install -y fontconfig ttf-dejavu && fc-cache -fv && \
-
+    apt-get install -y --no-install-recommends $BUILD_PACKAGES && \
-RUN mkdir -p /usr/share/man/man1 && mkdir -p /usr/share/man/man7
+    apt-get install -y python python3-pip && \
-RUN apt-get install -y fontconfig ttf-dejavu && fc-cache -fv
-
-
-FROM base as python-base
-
-RUN apt-get install -y python python3-pip && \
     pip3 install --upgrade pip setuptools && \
-    rm -f /etc/nginx/conf.d/*
+    rm -f /etc/nginx/conf.d/* && \
+    apt-get autoremove && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 RUN mkdir -p /var/interlegis/sapl
 
@@ -46,8 +41,6 @@ COPY config/env_dockerfile /var/interlegis/sapl/sapl/.env
 
 RUN python3 manage.py collectstatic --noinput --clear
 
-FROM python-base
-
 # Remove .env(fake) e sapl.db da imagem
 RUN rm -rf /var/interlegis/sapl/sapl/.env && \
     rm -rf /var/interlegis/sapl/sapl.db