Merge pull request #5 from ilyaglow/docker-support

Docker support

docker/Dockerfile

@@ -0,0 +1,30 @@
+FROM alpine:edge
+
+COPY ./ /tmp
+
+WORKDIR /tmp
+
+RUN apk update \
+  && apk add --no-cache ca-certificates \
+                        libressl \
+                        llvm-libunwind \
+  && apk add --no-cache --virtual .build-rust \
+    rust \
+    cargo \
+    libressl-dev \
+  \
+  && cargo build --release \
+  && strip target/release/iptoasn-webservice \
+  && mv target/release/iptoasn-webservice /usr/bin/iptoasn-webservice \
+  && mv docker/iptoasn-entrypoint.sh /iptoasn-entrypoint.sh \
+  && chmod +x /iptoasn-entrypoint.sh \
+  \
+  && rm -rf  ~/.cargo \
+            /var/cache/apk/* \
+            /tmp/* \
+  && apk del .build-rust
+
+RUN adduser -D app
+USER app
+
+ENTRYPOINT ["/iptoasn-entrypoint.sh"]

docker/iptoasn-entrypoint.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+DEFAULT_PORT='53661'
+DEFAULT_DBURL='https://iptoasn.com/data/ip2asn-combined.tsv.gz'
+
+if [ $IPTOASN_PORT ] || [ $IPTOASN_DBURL]; then
+  if ! [ $IPTOASN_PORT ]; then
+    IPTOASN_PORT=$DEFAULT_PORT
+  fi
+
+  if ! [ $IPTOASN_DBURL ]; then
+    IPTOASN_DBURL=$DEFAULT_DBURL
+  fi
+
+  exec /usr/bin/iptoasn-webservice --listen 0.0.0.0:"$IPTOASN_PORT" --dburl "$IPTOASN_DBURL"
+else
+  exec /usr/bin/iptoasn-webservice $@
+fi