go-hello-viper

go-hello-viper

Build go-hello-viper-M.m.P-I.x86_64.rpm and go-hello-viper_M.m.P-I_amd64.deb where "M.m.P-I" is Major.minor.Patch-Iteration.

Usage

A simple "go" program. The purpose of the repository is to show how to:

1. Use "viper" go package.
2. See the "precedence" of variable values.

Invocation

go-hello-viper

Development

Dependencies

Set environment variables

export GOPATH="${HOME}/go"
export PATH="${PATH}:${GOPATH}/bin:/usr/local/go/bin"
export PROJECT_DIR="${GOPATH}/src/github.com/docktermj"
export REPOSITORY_DIR="${PROJECT_DIR}/go-hello-viper"

Download project

mkdir -p ${PROJECT_DIR}
cd ${PROJECT_DIR}
git clone git@github.com:docktermj/go-hello-viper.git

Download dependencies

cd ${REPOSITORY_DIR}
make dependencies

Build

Local build

cd ${REPOSITORY_DIR}
make build-local

The results will be in the ${GOPATH}/bin directory.

Docker build

cd ${REPOSITORY_DIR}
make build

The results will be in the .../target directory.

Test

Manual

export GOHELLOVIPER_OS_KEY="From OS"
export GOHELLOVIPER_OS_KEY_ONLY="From OS"
export GOHELLOVIPER_FLAG_KEY="From OS"
export GOHELLOVIPER_SET_KEY="From OS"

go-hello-viper --flagKey "From command option" --flagKeyOnly "From command option" --setKey "From command option"

Make-based test

cd ${REPOSITORY_DIR}
make test-local

Install

RPM-based

Example distributions: openSUSE, Fedora, CentOS, Mandrake

Example:

sudo rpm -ivh go-hello-viper-M.m.P-I.x86_64.rpm

Example:

sudo rpm -Uvh go-hello-viper-M.m.P-I.x86_64.rpm

Debian

Example distributions: Ubuntu

Example:

sudo dpkg -i go-hello-viper_M.m.P-I_amd64.deb

Cleanup

cd ${REPOSITORY_DIR}
make clean