Build wheels only if we have to.

core/admin/Dockerfile

@@ -36,11 +36,12 @@ WORKDIR /app
 
 COPY requirements-prod.txt requirements.txt
 RUN set -eu \
- && apk add --no-cache libressl curl postgresql-libs mariadb-connector-c \
- && apk add --no-cache --virtual build-dep libressl-dev libffi-dev python3-dev build-base postgresql-dev mariadb-connector-c-dev cargo \
  && pip install --upgrade pip \
+ && pip install --extra-index-url=https://www.piwheels.org/simple -r requirements.txt --only-binary=:all: --no-binary=Flask-bootstrap,PyYAML,SQLAlchemy \
+ || ( apk add --no-cache libressl curl postgresql-libs mariadb-connector-c \
+ && apk add --no-cache --virtual build-dep libressl-dev libffi-dev python3-dev build-base postgresql-dev mariadb-connector-c-dev cargo \
  && pip install -r requirements.txt \
- && apk del --no-cache build-dep
+ && apk del --no-cache build-dep )
 
 COPY --from=assets static ./mailu/static
 COPY mailu ./mailu

core/admin/requirements-prod.txt

@@ -5,7 +5,7 @@ bcrypt==3.2.0
 blinker==1.4
 CacheControl==0.12.9
 certifi==2021.10.8
-cffi==1.15.0
+# cffi==1.15.0
 chardet==4.0.0
 click==8.0.3
 colorama==0.4.4
@@ -43,13 +43,15 @@ MarkupSafe==2.0.1
 marshmallow==3.14.0
 marshmallow-sqlalchemy==0.26.1
 msgpack==1.0.2
-mysqlclient==2.0.3
+# mysqlclient==2.0.3
+mysql-connector-python==8.0.25
 ordered-set==4.0.2
 # packaging==20.9
 passlib==1.7.4
 # pep517==0.10.0
 progress==1.6
-psycopg2==2.9.1
+#psycopg2==2.9.1
+psycopg2-binary==2.9.3
 pycparser==2.20
 Pygments==2.10.0
 pyOpenSSL==21.0.0

core/admin/requirements.txt

@@ -19,7 +19,7 @@ PyOpenSSL
 Pygments
 dnspython
 tenacity
-mysqlclient
+mysql-connector-python
 idna
 srslib
 marshmallow