watcher-go-example

the code in finance is just some dummy code from the watcher repo

1. build your docker image
docker build -t mywatcher:latest .
2. start compose
docker-compose up -d


############
Dockerfile
###########
filename:
Dockerfile
#########

# get the official golang image from docker hub
FROM golang:1.9

# maintainer is deprecated and new one is label
LABEL maintainer="Can Yucel [can.yucel@gmail.com](mailto:can.yucel@gmail.com)"

# why are you installing those?
RUN apt-get update && apt-get install -y --no-install-recommends \
g++ \
gcc \
libc6-dev \
make \
pkg-config \
bison \
curl

# in case you want to specify the version of watcher go with the old approach, but this should be fine
RUN go get github.com/canthefason/go-watcher
RUN go install github.com/canthefason/go-watcher/cmd/watcher

# set the workdir (same as cd to /go/src/)
# if it does not exist it gets created
WORKDIR /go/src

# empty start, you can override this in your compose file
CMD ["/bin/bash"]




###########
docker-compose file
#############
filename:
docker-compose.yml
#############

version: "3"

services:
  db:
    image: postgres
    environment:
      POSTGRES_DB: dev
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    ports:
      - 5432:5432
  app:
    image: mywatcher:latest
    command: watcher -run finance
    ports:
      - "80:8080"
    volumes:
      - .:/go/src/
    depends_on:
      - db


#########
dummy code
########
filename:
finance/main.go
###########
package main

import (
	"fmt"
	"net/http"
)

func main() {
	http.ListenAndServe(":7000",
		http.HandlerFunc(
			func(w http.ResponseWriter, r *http.Request) {
				fmt.Fprintln(w, "watcher is running now")
			},
		),
	)
}