Implemented Updated Docker & .gitlab-ci.yml files for CI/CD pipeline

Go/.env.example

 PORT=8080
 TOKEN=your_api_token
-FIREBASE_CREDENTIALS_FILE=path_to_Firebase_credentials_file
+SECRETS=path_to_Firebase_credentials_file
\ No newline at end of file

Go/Dockerfile-test

@@ -13,18 +13,21 @@ COPY go.mod go.sum ./
 COPY ../ ./
 
 # Build
-RUN CGO_ENABLED=0 GOOS=linux go test -c -installsuffix cgo -o main ./cmd/globeboard
+RUN CGO_ENABLED=0 GOOS=linux go test -c -installsuffix cgo -o test ./cmd/globeboard
 
 # Use a minimal alpine image for the final build stage.
-FROM alpine:3.19
+FROM golang:1.22-alpine
 
-# Install CA certificates.
+# Install CA certificates and Go.
 RUN apk --no-cache add ca-certificates
 
+# Install Report Tool.
+RUN go install github.com/jstemmer/go-junit-report/v2@latest
+
 WORKDIR /root/
 
 # Copy the pre-built binary file from the previous stage.
-COPY --from=builder /app/main .
+COPY --from=builder /app/test .
 
 # Run
-CMD ["./main"]
+CMD ./test -test.v | go-junit-report > report.xml && ./test -test.v
\ No newline at end of file

Go/cmd/globeboard/app.go

@@ -23,8 +23,7 @@ func fileExists(filename string) bool {
 
 func main() {
 	if !fileExists(os.Getenv("FIREBASE_CREDENTIALS_FILE")) {
-		log.Fatal("Firebase Credentials file is not mounted")
-		return
+		log.Panic("Firebase Credentials file is not mounted")
 	}
 
 	// Get the port from the environment variable or set default to 8080

Go/cmd/globeboard/app_test.go

@@ -5,6 +5,7 @@ import (
 	"globeboard/internal/handlers/endpoint/dashboard"
 	"globeboard/internal/utils/constants/Endpoints"
 	"globeboard/internal/utils/constants/Paths"
+	"log"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -22,7 +23,18 @@ var (
 	ID    = ""
 )
 
+func fileExistsTest(filename string) bool {
+	info, err := os.Stat(filename)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !info.IsDir()
+}
+
 func init() {
+	if !fileExistsTest(os.Getenv("FIREBASE_CREDENTIALS_FILE")) {
+		log.Panic("Firebase Credentials file is not mounted:", os.Getenv("FIREBASE_CREDENTIALS_FILE"))
+	}
 	err := os.Setenv("GO_ENV", "test")
 	if err != nil {
 		panic("Unable to set GO_ENV")

Go/docker-compose.yml

-version: "3.8"
-
 services:
-  globeboard-test:
-    image: go-globeboard-test
-    build:
-      context: .
-      dockerfile: Dockerfile-test
-    restart: no
-    environment:
-      TOKEN: ${TOKEN}
-      FIREBASE_CREDENTIALS_FILE: /run/secrets/firebase_credentials
-    secrets:
-      - firebase_credentials
-    volumes:
-      - ./web:/root/web:ro
-
   globeboard:
     image: go-globeboard
     build:
@@ -25,15 +9,26 @@ services:
     restart: unless-stopped
     environment:
       PORT: ${PORT}
-      FIREBASE_CREDENTIALS_FILE: /run/secrets/firebase_credentials
-    secrets:
-      - firebase_credentials
+      FIREBASE_CREDENTIALS_FILE: /run/secrets/Firebase
     volumes:
       - ./web:/root/web:ro
-    depends_on:
+    secrets:
+      - Firebase
+
   globeboard-test:
-        condition: service_completed_successfully
+    image: go-globeboard-test
+    build:
+      context: .
+      dockerfile: Dockerfile-test
+    restart: no
+    environment:
+      TOKEN: ${TOKEN}
+      FIREBASE_CREDENTIALS_FILE: /run/secrets/Firebase
+    volumes:
+      - ./web:/root/web:ro
+    secrets:
+      - Firebase
 
 secrets:
-  firebase_credentials:
-    file: ${FIREBASE_CREDENTIALS_FILE}
+  Firebase:
+    file: ${SECRETS}
\ No newline at end of file

gitlab-ci.yml

 stages:
-  - test
+  - Build
+  - Test
+  - Deploy
+
+image: docker
 
-test_globeboard:
-  stage: test
-  image: docker:19.03.12
 services:
-    - docker:19.03.12-dind
+  - name: 'docker:dind'
+    command: [ '--tls=false', '--host=tcp://0.0.0.0:2375' ]
+
 variables:
-    DOCKER_HOST: tcp://docker:2375
-    DOCKER_DRIVER: overlay2
-    DOCKER_TLS_CERTDIR: ""
+  DOCKER_TLS_CERTDIR: ''
+  SECURE_FILES_DOWNLOAD_PATH: './.secrets/'
+
+Build:
+  stage: Build
+  before_script:
+    - cd ./Go/
+  script:
+    - docker compose build
+
+Test:
+  stage: Test
+  before_script:
+    - cd ./Go/
+    - apk add --no-cache curl bash go
+    - curl --silent "https://gitlab.com/gitlab-org/incubation-engineering/mobile-devops/download-secure-files/-/raw/main/installer" | bash > /dev/null 2>&1
+  script:
+    - docker compose up globeboard-test --exit-code-from globeboard-test
+    - docker compose cp globeboard-test:/root/report.xml ./report.xml
+  after_script:
+    - cd ./Go/
+    - docker compose down globeboard-test
+  artifacts:
+    when: always
+    paths:
+      - ./Go/report.xml
+    reports:
+      junit: ./Go/report.xml
+
+Deploy:
+  stage: Deploy
+  before_script:
+    - cd ./Go/
+    - apk add --no-cache curl bash
+    - curl --silent "https://gitlab.com/gitlab-org/incubation-engineering/mobile-devops/download-secure-files/-/raw/main/installer" | bash > /dev/null 2>&1
   script:
-    - apk add --no-cache docker-compose
-    - docker-compose -f Go/docker-compose.yml up --build globeboard-test
-  only:
-    - main
+    - docker compose up globeboard -d
+  after_script:
+    - cd ./Go/
+    - docker compose down
\ No newline at end of file