update build process/script

Author: Ben Turbes

Diff for: .gitignore

@@ -1,3 +1,4 @@
+bin/
 vendor/
 demo_api
 demo.db

Diff for: Dockerfile

@@ -1,9 +1,5 @@
-FROM golang
+FROM debian:stable-slim
 
-RUN mkdir -p /go/src/github.com/bturbes/demo_api
-WORKDIR /go/src/github.com/bturbes/demo_api
+COPY bin/demo_api.linux /usr/local/bin/demo_api
 
-COPY . /go/src/github.com/bturbes/demo_api
-RUN go build
-
-CMD [ "demo_api" ]
+CMD [ "/usr/local/bin/demo_api" ]

Diff for: Dockerfile.prod

@@ -0,0 +1,9 @@
+#!/bin/bash -e
+
+TAG=$1
+IMAGE_NAME="bturbes/demo_api:${TAG:-latest}"
+
+mkdir -p bin
+docker run --rm -v "$PWD":/go/src/github.com/bturbes/demo_api -w /go/src/github.com/bturbes/demo_api golang:1.9 go build -o bin/demo_api.linux
+
+docker build -t "$IMAGE_NAME" .

Diff for: build.sh

@@ -1,7 +1,7 @@
 version: '2'
 services:
   web:
-    image: golang
+    image: golang:1.9
     command: sh -c "go build && ./demo_api"
     ports:
       - "8080:8080"