sample golang apps

README.md

@@ -304,7 +304,7 @@ It's used to minify the `container-transform` tool. You can get the minified ima
 
 ## CURRENT STATE
 
-It works pretty well with the sample Node.js, Python (2 and 3), Ruby and Java images (built from `examples/apps`). More testing needs to be done to see how it works with other images. Rails/unicorn app images are not fully supported yet (WIP).
+It works pretty well with the sample Node.js, Python (2 and 3), Ruby, Java and Golang images (built from `examples/apps`). More testing needs to be done to see how it works with other images. Rails/unicorn app images are not fully supported yet (WIP).
 
 Sample images (built with the standard Ubuntu 14.04 base image):
 
@@ -318,11 +318,17 @@ Sample images built with Alpine:
 * nodejs app container: 66.4 MB => 34.7 MB
 * python app container: 86 MB   => 22.1 MB
 
+Sample Golang application images:
+
+* from golang:latest: 700MB => 1.55MB
+* from ubuntu:14.04:  529MB => 1.86MB
+* from golang:alpine: 258MB => 1.55MB
+
 You can also run `docker-slim` in the `info` mode and it'll generate useful image information including a "reverse engineered" Dockerfile.
 
 DockerSlim now also generates Seccomp (usable) and AppArmor (WIP) profiles for your container.
 
-Works with Docker 1.8, 1.9, 1.10, 1.11, 1.12, 1.13, 17.03.
+Works with Docker 1.8 - 1.9, 1.10, 1.11, 1.12, 1.13, 17.03, 17.12.
 
 Note:
 

examples/apps/golang_alpine/Dockerfile

@@ -0,0 +1,6 @@
+FROM golang:alpine
+WORKDIR /app
+ADD . /app
+RUN cd /app && go build -o app
+
+ENTRYPOINT ["/app/app"]

examples/apps/golang_alpine/app.go

@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+  fmt.Println("Sample golang app (alpine)")
+}

examples/apps/golang_alpine/build.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker build -t my/golang-app-alpine .

examples/apps/golang_alpine/clean.command

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker rmi my/golang-app-alpine .
+docker rmi my/golang-app-alpine.slim .

examples/apps/golang_alpine/run_full.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker run --rm -it my/golang-app-alpine

examples/apps/golang_alpine/run_slim.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker run --rm -it my/golang-app-alpine.slim

examples/apps/golang_alpine/slim.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker-slim build my/golang-app-alpine

examples/apps/golang_standard/Dockerfile

@@ -0,0 +1,6 @@
+FROM golang:latest
+WORKDIR /app
+ADD . /app
+RUN cd /app && go build -o app
+
+ENTRYPOINT ["/app/app"]

examples/apps/golang_standard/app.go

@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+  fmt.Println("Sample golang app (standard)")
+}

examples/apps/golang_standard/build.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker build -t my/golang-app .

examples/apps/golang_standard/clean.command

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker rmi my/golang-app .
+docker rmi my/golang-app.slim .

examples/apps/golang_standard/run_full.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker run --rm -it my/golang-app

examples/apps/golang_standard/run_slim.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker run --rm -it my/golang-app.slim

examples/apps/golang_standard/slim.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker-slim build my/golang-app

examples/apps/golang_ubuntu/Dockerfile

@@ -0,0 +1,23 @@
+FROM ubuntu:14.04
+
+RUN apt-get update && \
+    apt-get install software-properties-common -y && \
+    add-apt-repository ppa:gophers/archive -y && \
+    apt-get update && \
+    apt-get install golang-1.9-go -y && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+ENV GOPATH /go
+ENV GOROOT /usr/lib/go-1.9
+ENV PATH /usr/lib/go-1.9/bin:/go/bin:/usr/local/bin:$PATH
+
+WORKDIR /app
+ADD . /app
+RUN cd /app && go build -o app
+
+ENTRYPOINT ["/app/app"]
+
+
+
+

examples/apps/golang_ubuntu/app.go

@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+  fmt.Println("Sample golang app (ubuntu)")
+}

examples/apps/golang_ubuntu/build.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker build -t my/golang-app-ubuntu .

examples/apps/golang_ubuntu/clean.command

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker rmi my/golang-app-ubuntu
+docker rmi my/golang-app-ubuntu.slim

examples/apps/golang_ubuntu/run_full.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker run --rm -it my/golang-app-ubuntu

examples/apps/golang_ubuntu/run_slim.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker run --rm -it my/golang-app-ubuntu.slim

examples/apps/golang_ubuntu/slim.command

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$BASH_SOURCE")"
+cd $here
+docker-slim build my/golang-app-ubuntu