Cleanup: get uncloud running again

uncloud_v3/Dockerfile

@@ -0,0 +1,30 @@
+# Currently not working due do ldap:
+#
+#   /usr/lib/gcc/x86_64-alpine-linux-musl/10.3.1/../../../../x86_64-alpine-linux-musl/bin/ld: cannot find -lldap_r
+#
+# While trying to install python-ldap
+
+FROM python:3.10.0-alpine3.15
+
+WORKDIR /usr/src/app
+
+# FIX https://github.com/python-ldap/python-ldap/issues/432
+RUN echo 'INPUT ( libldap.so )' > /usr/lib/libldap_r.so
+
+COPY requirements.txt ./
+# OS requirements for building wheel and for operating uncloud
+RUN apk update && apk add \
+    gcc \
+    git \
+    libxml2-dev \
+    libxslt-dev \
+    libffi-dev \
+    openldap-dev \
+    postgresql-dev \
+    python3-dev \
+    musl-dev \
+    nginx \
+    wireguard-tools-wg
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .