├── .gitignore
├── Dockerfile
├── LICENSE
├── README.md
├── http.go
└── whoami@.service


/.gitignore:
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 1 | # Compiled Object files, Static and Dynamic libs (Shared Objects)
 2 | *.o
 3 | *.a
 4 | *.so
 5 | 
 6 | # Folders
 7 | _obj
 8 | _test
 9 | 
10 | # Architecture specific extensions/prefixes
11 | *.[568vq]
12 | [568vq].out
13 | 
14 | *.cgo1.go
15 | *.cgo2.c
16 | _cgo_defun.c
17 | _cgo_gotypes.go
18 | _cgo_export.*
19 | 
20 | _testmain.go
21 | 
22 | *.exe
23 | *.test
24 | 


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/Dockerfile:
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 1 | FROM golang:alpine3.6 AS binary
 2 | ADD . /app
 3 | WORKDIR /app
 4 | RUN go build -o http
 5 | 
 6 | FROM alpine:3.6
 7 | WORKDIR /app
 8 | ENV PORT 8000
 9 | EXPOSE 8000
10 | COPY --from=binary /app/http /app
11 | CMD ["/app/http"]
12 | 


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/LICENSE:
--------------------------------------------------------------------------------
 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2014 Jason Wilder
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.


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/README.md:
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 1 | whoami
 2 | ======
 3 | 
 4 | Simple HTTP docker service that prints it's container ID
 5 | 
 6 |     $ docker run -d -p 8000:8000 --name whoami -t jwilder/whoami
 7 |     736ab83847bb12dddd8b09969433f3a02d64d5b0be48f7a5c59a594e3a6a3541
 8 |     
 9 |     $ curl $(hostname --all-ip-addresses | awk '{print $1}'):8000
10 |     I'm 736ab83847bb
11 | 


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/http.go:
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 1 | package main
 2 | 
 3 | import (
 4 |   "os"
 5 |   "fmt"
 6 |   "net/http"
 7 |   "log"
 8 | )
 9 | 
10 | func main() {
11 |     port := os.Getenv("PORT")
12 |     if port == "" {
13 |         port = "8080"
14 |     }
15 | 
16 |     fmt.Fprintf(os.Stdout, "Listening on :%s\n", port)
17 |     hostname, _ := os.Hostname()
18 |     http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
19 |         fmt.Fprintf(os.Stdout, "I'm %s\n", hostname)
20 |  	fmt.Fprintf(w, "I'm %s\n", hostname)
21 |     })
22 | 
23 | 
24 |     log.Fatal(http.ListenAndServe(":" + port, nil))
25 | }
26 | 
27 | 


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/whoami@.service:
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 1 | [Unit]
 2 | Description=whoami-%i
 3 | After=docker.service
 4 | 
 5 | [Service]
 6 | TimeoutStartSec=0
 7 | ExecStartPre=-/usr/bin/docker kill whoami-%i
 8 | ExecStartPre=-/usr/bin/docker rm whoami-%i
 9 | ExecStartPre=/usr/bin/docker pull jwilder/whoami
10 | ExecStart=/usr/bin/docker run --name whoami-%i -p :8000 jwilder/whoami
11 | ExecStop=/usr/bin/docker stop whoami-%i
12 | 


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