Initial commit

.gitignore

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+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+out/
+config.yml
+vendor/

Dockerfile

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+FROM golang:latest as builder
+WORKDIR /go/src/github.com/atsman/nexus-minimal/
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o ./out/nexus-minimal .
+
+FROM alpine:latest  
+RUN apk --no-cache add ca-certificates
+VOLUME ["/etc/nexus-minimal"]
+WORKDIR /root/
+COPY --from=builder /go/src/github.com/atsman/nexus-minimal/out .
+CMD ./nexus-minimal

Gopkg.toml

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+# Gopkg.toml example
+#
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#   name = "github.com/x/y"
+#   version = "2.4.0"
+#
+# [prune]
+#   non-go = false
+#   go-tests = true
+#   unused-packages = true
+
+
+[[constraint]]
+  name = "github.com/aws/aws-sdk-go"
+  version = "1.12.79"
+
+[[constraint]]
+  name = "github.com/julienschmidt/httprouter"
+  version = "1.1.0"
+
+[[constraint]]
+  name = "github.com/sirupsen/logrus"
+  version = "1.0.4"
+
+[[constraint]]
+  name = "github.com/spf13/viper"
+  version = "1.0.0"
+
+[prune]
+  go-tests = true
+  unused-packages = true

LICENCE

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+The MIT License (MIT)
+=====================
+
+Copyright © 2016-2018 Aleh Atsman
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the “Software”), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.

Makefile

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+shell := bash
+
+build:
+	go build -o ./out/nexus-minimal ./
+
+run:
+	make build
+	./out/nexus-minimal

README.md

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+[![MIT License][license-image]][license-url]
+[![Build Status](https://travis-ci.org/Atsman/nexus-minimal.svg?branch=master)](https://travis-ci.org/Atsman/nexus-minimal)
+[![Go Report Card](https://goreportcard.com/badge/github.com/Atsman/nexus-minimal)]
+
+# Nexus Minimal (aka Lil Nexus)
+
+Nexus minimal is an implementation of nexus repo in golang. Decision to implement new tiny repo come to me when i realized that nexus requires 4gb RAM machine at minimum. (Java world :)) Proof here: [Nexus memory requrements](https://help.sonatype.com/display/NXRM3/System+Requirements#SystemRequirements-Memory). That is too much, especially when you need it only for small personal projects. This project gives you minimal, but complete nexus functionality, with ability to save artifacts on filesystem or to s3 and basic auth. For most of usecases that is more than enought.
+
+## How to use it ?
+
+```
+docker run -d atsman/nexus-minimal -p 8080:8080
+```
+
+## Configuration 
+
+For s3:
+```yml
+---
+http:
+  addr: ":8080"
+  username: "myuser"
+  password: "mypassword"
+
+storage:
+  type: "s3"
+  bucket_name: "my-super-nexus-bucket"
+  access_key: "*******************"
+  secret_key: "**************************************"
+```
+
+And for file system:
+```yml
+---
+http:
+  addr: ":8080"
+  username: "myuser"
+  password: "mypassword"
+
+storage:
+  type: "fs"
+  base_dir: "/tmp/nexus-minimal"
+```
+
+## How to build it ?
+
+Make sure to install golang, set all env variables etc.
+Clone project to your go-workspace.
+Cd to the project folder and run:
+
+```
+make build
+```
+
+And it will compile app.
+
+Run:
+
+```
+make run
+```
+
+And it will run app locally on port 8080 by default.
+
+## License
+
+[MIT](LICENSE)
+
+[license-url]: LICENSE
+
+[license-image]: https://img.shields.io/github/license/mashape/apistatus.svg
+
+[capture]: capture.png

config.go

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+package main
+
+import (
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/viper"
+)
+
+func InitConfig() {
+	viper.SetConfigName("config")
+	viper.AddConfigPath("/etc/nexus-minimal/")
+	viper.AddConfigPath("$HOME/.nexus-minimal")
+	viper.AddConfigPath(".")
+	err := viper.ReadInConfig()
+	if err != nil {
+		log.Warn("error during reading config file")
+	}
+}