UPPSF-1150 Refactored project

- Integrated go modules
- Extracted constants to yaml configuration
- Restructured project with a proper cmd/pkg structure
- Set proper visibility to all structs and interfaces
- Fixed tests to comply with the new structure
- Added new UPPLogger
- Extracted client and server HTTP boilerplate outside of main.go
- Added docker-compose.yml and Makefile

.circleci/config.yml

@@ -12,20 +12,16 @@ jobs:
     - run:
         name: External dependencies
         command: |
-          go get -u github.com/mattn/goveralls
-          go get -u github.com/jstemmer/go-junit-report
-          curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+          GO111MODULE=off go get -u github.com/mattn/goveralls
+          GO111MODULE=off go get -u github.com/jstemmer/go-junit-report
     - run:
         name: Make result folders
         command: |
           mkdir -p ${CIRCLE_TEST_REPORTS}
           mkdir -p ${CIRCLE_COVERAGE_REPORT}
-    - run:
-        name: Download vendored dependencies
-        command: dep ensure -v -vendor-only
     - run:
         name: Go build
-        command: go build -v
+        command: go build -mod=readonly -v ./cmd/content-rw-elasticsearch
     - run:
         name: Run tests
         command: go test -race -cover -coverprofile=${CIRCLE_COVERAGE_REPORT}/coverage.out ./... | go-junit-report > ${CIRCLE_TEST_REPORTS}/junit.xml
@@ -47,7 +43,7 @@ jobs:
   dredd:
     working_directory: /go/src/github.com/Financial-Times/content-rw-elasticsearch
     docker:
-      - image: bankrs/golang-dredd:go1.10.0-dredd5.1.5
+      - image: bankrs/golang-dredd:go1.13.7-dredd11.2.19
         environment:
           GOPATH: /go
           ELASTICSEARCH_SAPI_ENDPOINT: http://localhost:9000
@@ -57,16 +53,9 @@ jobs:
       - run:
           name: Load ersatz-fixtures.yml to ersatz image
           command: "curl -X POST --data-binary @_ft/ersatz-fixtures.yml -H \"Content-type: text/x-yaml\" http://localhost:9000/__configure"
-      - run:
-          name: External Dependencies
-          command: |
-            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-      - run:
-          name: Download vendored dependencies
-          command: dep ensure -v -vendor-only
       - run:
           name: Go Build
-          command: go build -v
+          command: go build -mod=readonly -v ./cmd/content-rw-elasticsearch
       - run:
           name: Dredd API Testing
           command: dredd

.gitignore

@@ -1,5 +1,21 @@
-*.iml
+# Binaries for programs and plugins
 *.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+vendor/
+
+# IntelliJ files
+*.iml
 .idea
+
 /content-rw-elasticsearch
-vendor/*/

Dockerfile

@@ -4,33 +4,28 @@ ENV PROJECT=content-rw-elasticsearch
 
 ENV ORG_PATH="github.com/Financial-Times"
 ENV SRC_FOLDER="${GOPATH}/src/${ORG_PATH}/${PROJECT}"
-ENV BUILDINFO_PACKAGE="${ORG_PATH}/${PROJECT}/vendor/${ORG_PATH}/service-status-go/buildinfo."
+ENV BUILDINFO_PACKAGE="${ORG_PATH}/service-status-go/buildinfo."
 
 COPY . ${SRC_FOLDER}
 WORKDIR ${SRC_FOLDER}
 
-# Set up our extra bits in the image
-RUN curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-
-# Install dependancies
-RUN $GOPATH/bin/dep ensure -vendor-only
-
 # Build app
 RUN VERSION="version=$(git describe --tag --always 2> /dev/null)" \
   && DATETIME="dateTime=$(date -u +%Y%m%d%H%M%S)" \
   && REPOSITORY="repository=$(git config --get remote.origin.url)" \
   && REVISION="revision=$(git rev-parse HEAD)" \
   && BUILDER="builder=$(go version)" \
   && LDFLAGS="-X '"${BUILDINFO_PACKAGE}$VERSION"' -X '"${BUILDINFO_PACKAGE}$DATETIME"' -X '"${BUILDINFO_PACKAGE}$REPOSITORY"' -X '"${BUILDINFO_PACKAGE}$REVISION"' -X '"${BUILDINFO_PACKAGE}$BUILDER"'" \
-  && CGO_ENABLED=0 go build -a -o /artifacts/${PROJECT} -ldflags="${LDFLAGS}" \
+  && CGO_ENABLED=0 go build -mod=readonly -a -o /artifacts/${PROJECT} -ldflags="${LDFLAGS}" ./cmd/${PROJECT} \
   && echo "Build flags: ${LDFLAGS}"
 
+# Multi-stage build - copy only the certs and the binary into the image
 FROM scratch
 WORKDIR /
 COPY --from=0 /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=0 /artifacts/* /
 
-# Copy things specific for this service
-COPY ./runtime/referenceSchema.json /
+## Copy things specific for this service
+#COPY configs /configs
 
 CMD [ "/content-rw-elasticsearch" ]