Fix addcoin decred.

docker/production/decred_daemon/Dockerfile

@@ -0,0 +1,25 @@
+FROM i_swapclient as install_stage
+
+RUN basicswap-prepare --preparebinonly --bindir=/coin_bin --withcoin=decred --withoutcoins=particl && \
+    find /coin_bin -name *.tar.gz -delete
+
+FROM debian:bullseye-slim
+COPY --from=install_stage /coin_bin .
+
+ENV DCR_DATA /data
+
+RUN groupadd -r decred && useradd -r -m -g decred decred \
+    && apt-get update \
+    && apt-get install -qq --no-install-recommends gosu \
+    && rm -rf /var/lib/apt/lists/* \
+    && mkdir "$DCR_DATA" \
+    && chown -R decred:decred "$DCR_DATA" \
+    && ln -sfn "$DECRED_DATA" /home/decred/decred \
+    && chown -h decred:decred /home/decred/decred
+VOLUME /data
+
+COPY entrypoint.sh /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]
+
+EXPOSE 9108 9109
+CMD ["/decred/dcrd", "--datadir=/data"]