Merge pull request #17 from donutloop/feature/docker

Feature/docker

Dockerfile

@@ -10,23 +10,15 @@ RUN mkdir -p /go/src/${PACKAGE}
 WORKDIR /go/src/${PACKAGE}
 COPY . /go/src/${PACKAGE}
 
-RUN go build ${PACKAGE}/cmd/httpcache
+RUN CGO_ENABLED=0 go build ${PACKAGE}/cmd/httpcache
 
 FROM alpine:3.7
 
 ENV PACKAGE=github.com/donutloop/httpcache
 
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
-
 COPY --from=builder /go/src/${PACKAGE}/httpcache /httpcache
-COPY --from=builder /go/src/${PACKAGE}/entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
 
 USER nobody:nobody
 
-ENV PORT=":8000"
-ENV CAP=1000000
-ENV EXPIRE=5
-
-EXPOSE 8000
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["./httpcache"]

README.md

@@ -50,4 +50,29 @@ FLAGS
   -key server.key   TLS key
   -rbcl 524288000   response size limit
   -tls              serve TLS on this address (optional)
+```
+
+## Usage of cache from outside (GO Example)
+
+```golang
+...
+transport := &http.Transport{
+    Proxy: SetProxyURL(proxyServer.URL), // Set url of http cache 
+    DialContext: (&net.Dialer{
+        Timeout:   30 * time.Second,
+        KeepAlive: 30 * time.Second,
+        DualStack: true,
+    }).DialContext,
+    MaxIdleConns:          100,
+    IdleConnTimeout:       90 * time.Second,
+    TLSHandshakeTimeout:   10 * time.Second,
+    ExpectContinueTimeout: 1 * time.Second,
+}
+
+client = &http.Client{
+    Transport: transport,
+}
+
+client.Do(req)
+...
 ```

cmd/httpcache/main.go

@@ -21,7 +21,7 @@ func main() {
 
 	fs := flag.NewFlagSet("http-proxy", flag.ExitOnError)
 	var (
-		httpAddr                       = fs.String("http", ":80", "serve HTTP on this address (optional)")
+		httpAddr                       = fs.String("http", ":8000", "serve HTTP on this address (optional)")
 		tlsAddr                        = fs.String("tls", "", "serve TLS on this address (optional)")
 		cert                           = fs.String("cert", "server.crt", "TLS certificate")
 		key                            = fs.String("key", "server.key", "TLS key")