From 2680b16e02f18a08889454573a1468e77c993196 Mon Sep 17 00:00:00 2001
From: Brian Mason <bpmason1@hotmail.com>
Date: Tue, 7 Jan 2020 23:36:13 -0500
Subject: [PATCH] dockerize the corsair app

---
 .dockerignore |  1 +
 Dockerfile    | 24 ++++++++++++++++++++++++
 README.md     |  6 ++++++
 scripts/run   | 23 +++++++++++++++++++++++
 4 files changed, 54 insertions(+)
 create mode 100644 .dockerignore
 create mode 100644 Dockerfile
 create mode 100755 scripts/run

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..2f7896d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+target/
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..ea95857
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,24 @@
+FROM rust:1.40.0-alpine as builder
+
+RUN if [ ! -d /tmp ]; then mkdir /tmp; fi
+
+WORKDIR /tmp
+
+COPY Cargo.toml .
+COPY Cargo.lock .
+COPY src ./src
+
+RUN cargo build --release
+
+#-------------------------------------------------------------
+FROM alpine:3.11.2
+
+RUN apk add --no-cache bash
+
+COPY --from=builder /tmp/target/release/corsair .
+
+COPY scripts ./scripts
+
+# ENV LISTEN_ADDR=127.0.0.1:8000 PROXY_ADDR=127.0.0.1:4000
+CMD ["./scripts/run"]
+
diff --git a/README.md b/README.md
index 0db5633..823ee3b 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,9 @@ CORS-ignoring proxy
 The `--permissive` flag indicates that all CORS requests should be accepted for proxying.
 The flag is required for now because I have not yet implemented logic to configure CORS rules.
 
+### run with Docker
+```
+docker build -t corsiar .
+docker run -it --net=host -e LISTEN_ADDR=127.0.0.1:8080 -e PROXY_ADDR=127.0.0.1:4000 bpmason1/corsair
+```
+
diff --git a/scripts/run b/scripts/run
new file mode 100755
index 0000000..c4a7864
--- /dev/null
+++ b/scripts/run
@@ -0,0 +1,23 @@
+#! /bin/bash
+
+set -e
+
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+if [ -z $LISTEN_ADDR ]; then
+    echo "ERROR - unset environment variable LISTEN_ADDR"
+    exit 1
+fi
+
+if [ -z $PROXY_ADDR ]; then
+    echo "ERROR - unset environment variable PROXY_ADDR"
+    exit 1
+fi
+
+SCRIPTS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+ROOT_DIR=$(cd $SCRIPTS_DIR/.. && pwd)
+
+# this is convenient for running the application in a docker container
+./corsair --listen-ip=${LISTEN_ADDR} --proxy-ip=${PROXY_ADDR} --permissive      
+