Migrate to dep for dependency management (#26)

* Replace `Godeps` with `dep`
* Upgrade all dependencies
* Remove vendor source from git repository

.dockerignore

@@ -1,4 +1,6 @@
 .DS_Store
+.env
 .git
 .gitignore
-dist
+/dist
+/vendor

.gitignore

@@ -1,4 +1,5 @@
 .DS_Store
+.env
 /dist
-/testdata/.env
 /testdata/db/schema.sql
+/vendor

.travis.yml

@@ -4,6 +4,7 @@ services:
 install:
   - docker version
   - docker-compose version
+  - rm docker-compose.override.yml
   - docker-compose pull
   - docker-compose build
   - docker-compose up -d

Dockerfile

@@ -13,6 +13,8 @@ RUN apt-get update \
 	&& rm -rf /var/lib/apt/lists/*
 
 # development dependencies
+RUN curl -fsSL -o /usr/local/bin/dep https://github.com/golang/dep/releases/download/v0.3.2/dep-linux-amd64 \
+	&& chmod +x /usr/local/bin/dep
 RUN go get \
 	github.com/golang/lint/golint \
 	github.com/kisielk/errcheck
@@ -22,7 +24,7 @@ COPY . /go/src/github.com/amacneil/dbmate
 WORKDIR /go/src/github.com/amacneil/dbmate
 
 # build
-RUN make install build
+RUN make dep install build
 
 # runtime image
 FROM debian:stretch-slim

Gopkg.toml

@@ -0,0 +1,26 @@
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# for detailed Gopkg.toml documentation.
+
+[[constraint]]
+  name = "github.com/go-sql-driver/mysql"
+  branch = "master"
+
+[[constraint]]
+  name = "github.com/joho/godotenv"
+  version = "1.2.0"
+
+[[constraint]]
+  name = "github.com/lib/pq"
+  branch = "master"
+
+[[constraint]]
+  name = "github.com/mattn/go-sqlite3"
+  version = "1.6.0"
+
+[[constraint]]
+  name = "github.com/stretchr/testify"
+  version = "1.2.0"
+
+[[constraint]]
+  name = "github.com/urfave/cli"
+  version = "1.20.0"

Makefile

@@ -3,7 +3,11 @@ BUILD_FLAGS := -ldflags '-s'
 PACKAGES := ./cmd/... ./pkg/...
 
 .PHONY: all
-all: install test lint build
+all: dep install test lint build
+
+.PHONY: dep
+dep:
+	dep ensure -vendor-only
 
 .PHONY: install
 install:

docker-compose.override.yml

@@ -0,0 +1,7 @@
+# this file is used to mount the current directory as a volume
+# we remove it in CI to use files inside the container only
+version: '2.3'
+services:
+  dbmate:
+    volumes:
+      - .:/go/src/github.com/amacneil/dbmate

docker-compose.yml

@@ -4,8 +4,6 @@ services:
     build:
       context: .
       target: build
-    volumes:
-      - .:/go/src/github.com/amacneil/dbmate
     depends_on:
       mysql:
         condition: service_healthy