Fix dockerfile.

Dockerfile

@@ -4,8 +4,8 @@ LABEL org.opencontainers.image.authors="DRKZ-CLINT"
 LABEL org.opencontainers.image.source="https://github.com/FREVA-CLINT/freva-deployment.git"
 LABEL org.opencontainers.image.version="$VERSION"
 RUN set -ex &&\
-    apk add --no-cache python3-dev py3-pip openssh-client sshpass gcc py3-cffi-pyc \
-    py3-wheel &&\
+    apk add --no-cache python3 py3-pip openssh-client sshpass &&\
+    apk add --no-cache --virtual /root/build-deps build-base python3-dev libffi-dev openssl-dev &&\
     mkdir -p /opt/freva-deployment &&\
     ln -sf python3 /usr/bin/python && \
     mkdir -p /tmp/deployment
@@ -16,6 +16,8 @@ RUN set -ex &&\
     python3 -m pip install --break-system-packages . &&\
     rm -rf /root/.cache/pip &&\
     rm -rf /var/cache/apk/* &&\
+    apk del /root/build-deps &&\
+    rm -rf /root/build-deps &&\
     rm -rf /tmp/deployment
 WORKDIR /opt/freva-deployment
 VOLUME /opt/freva-deployment