Freeze dependencies.

docker/production/swapclient/Dockerfile

@@ -5,7 +5,7 @@ ENV LANG=C.UTF-8 \
     DATADIR=/data
 
 RUN apt-get update; \
-    apt-get install -y wget python3-pip gnupg unzip make g++ autoconf automake libtool pkg-config gosu tzdata;
+    apt-get install -y python3-pip unzip pkg-config gosu tzdata;
 
 ARG BASICSWAP_URL=https://github.com/basicswap/basicswap/archive/master.zip
 ARG BASICSWAP_DIR=basicswap-master
@@ -13,6 +13,7 @@ RUN wget -O basicswap-repo.zip $BASICSWAP_URL; \
     unzip basicswap-repo.zip; \
     mv $BASICSWAP_DIR /basicswap; \
     cd /basicswap; \
+    pip3 install -r requirements.txt --require-hashes; \
     pip3 install .;
 
 #COPY ./test_code basicswap