Add --no-cache flag

Author: fabidick22

Dockerfile

@@ -1,23 +1,24 @@
 FROM python:3.8-alpine
 
-ARG buildDeps='g++'
+ARG buildDeps='g++ gnupg curl'
 
 WORKDIR /usr/src/app
 
 COPY . .
 
 RUN apk update \
 	&& apk add --no-cache $buildDeps gcc unixodbc-dev \
-	&& pip3 install --no-cache-dir -r requirements/prod.txt \
+	&& pip3 install --no-cache-dir -r requirements/prod.txt \	
 	&& curl -O https://download.microsoft.com/download/e/4/e/e4e67866-dffd-428c-aac7-8d28ddafb39b/msodbcsql17_17.5.2.1-1_amd64.apk \
 	&& curl -O https://download.microsoft.com/download/e/4/e/e4e67866-dffd-428c-aac7-8d28ddafb39b/mssql-tools_17.5.2.1-1_amd64.apk \
 	&& curl -O https://download.microsoft.com/download/e/4/e/e4e67866-dffd-428c-aac7-8d28ddafb39b/msodbcsql17_17.5.2.1-1_amd64.sig \
 	&& curl -O https://download.microsoft.com/download/e/4/e/e4e67866-dffd-428c-aac7-8d28ddafb39b/mssql-tools_17.5.2.1-1_amd64.sig \
 	&& curl https://packages.microsoft.com/keys/microsoft.asc  | gpg --import - \
 	&& gpg --verify msodbcsql17_17.5.2.1-1_amd64.sig msodbcsql17_17.5.2.1-1_amd64.apk \
 	&& gpg --verify mssql-tools_17.5.2.1-1_amd64.sig mssql-tools_17.5.2.1-1_amd64.apk \
-	&& apk add --allow-untrusted msodbcsql17_17.5.2.1-1_amd64.apk \
-	&& apk add --allow-untrusted mssql-tools_17.5.2.1-1_amd64.apk \
+	&& apk add --no-cache --allow-untrusted msodbcsql17_17.5.2.1-1_amd64.apk \
+	&& apk add --no-cache --allow-untrusted mssql-tools_17.5.2.1-1_amd64.apk \
+	&& rm msodbcsql17_17.5.2.1-1_amd64.apk mssql-tools_17.5.2.1-1_amd64.apk msodbcsql17_17.5.2.1-1_amd64.sig mssql-tools_17.5.2.1-1_amd64.sig \
 	&& apk del $buildDeps \
 	&& rm -rfv /root/.cache/pip/* && \
 find /usr/local \( -type d -a -name test -o -name tests \) -o \( -type f -a -name '*.pyc' -o -name '*.pyo' \) -exec rm -rfv '{}' \+