feat: update Dockerfile

- Update shipit to 0.4.0 close #1
- Install gomplate to allow build shipit config from template
- Update gitlab ci pipeline
- Add build.sh script for building image while develop

.gitlab-ci.yml

@@ -1,10 +1,12 @@
-image: docker:latest
+stages:
+  - build
 
-services:
-  - docker:dind
-
-.build: &build
-  stage: build
+.build:
+  image: docker:latest
+  services:
+    - docker:dind
+  tags:
+    - docker
   before_script:
     - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
   script:
@@ -13,14 +15,16 @@ services:
     - docker push "$CI_REGISTRY_IMAGE:$DOCKER_IMAGE_TAG"
 
 build-master:
-  <<: *build
+  extends: .build
+  stage: build
   variables:
     DOCKER_IMAGE_TAG: latest
   only:
     - master
 
 build-tags:
-  <<: *build
+  extends: .build
+  stage: build
   variables:
     DOCKER_IMAGE_TAG: $CI_COMMIT_REF_NAME
   only:

Dockerfile

@@ -1,11 +1,16 @@
-FROM alpine:3.10
-RUN apk add --no-cache \
+FROM alpine:3.11
+
+LABEL maintainer="Constantine Karnaukhov <genteelknight@gmail.com>"
+
+ENV SHIPIT_VERSION="0.4.0"
+
+RUN set -x \
+	&& apk add --no-cache \
 		bash \
 		openssh-client \
 		libcurl \
 		curl \
-		ncurses
-RUN SHPT=/usr/local/bin/shipit && \
-	curl -o $SHPT https://raw.githubusercontent.com/sapegin/shipit/master/bin/shipit && \
-	chmod +x $SHPT && \
-	unset SHPT
+		ncurses \
+		gomplate \
+	&& curl -o /usr/local/bin/shipit https://raw.githubusercontent.com/sapegin/shipit/${SHIPIT_VERSION}/bin/shipit \
+	&& chmod +x /usr/local/bin/shipit

build.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+docker build -t spaceonfire/shipit:edge .