Docker WIP (not working)

Author: tzyian

.gitignore

@@ -0,0 +1 @@
+**/.env

README.md

@@ -1,6 +1,6 @@
 [![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/bzPrOe11)
 # CS3219 Project (PeerPrep) - AY2425S1
-## Group: Gxx
+## Group: G14
 
 ### Note: 
 - You can choose to develop individual microservices within separate folders within this repository **OR** use individual repositories (all public) for each microservice. 

backend/.env.example

@@ -0,0 +1,3 @@
+MONGODB_URI=mongodb+srv://<user>:<password>@<collection>.<name>.mongodb.net/?retryWrites=true&w=majority&appName=<appname>
+PORT=:9090
+CORS_ORIGIN=http://localhost:3000

backend/.gitignore

@@ -1,2 +1,2 @@
-questionDB.env
+.env
 log

backend/Dockerfile

@@ -0,0 +1,29 @@
+# syntax=docker/dockerfile:1
+
+FROM golang:1.23
+
+# Set destination for COPY
+WORKDIR /backend
+
+# Download Go modules
+# TODO: don't include the .env file in the COPY
+# TODO: multistage build
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the source code. Note the slash at the end, as explained in
+# https://docs.docker.com/reference/dockerfile/#copy
+COPY . .
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -o /backend/app
+
+# Optional:
+# To bind to a TCP port, runtime parameters must be supplied to the docker command.
+# But we can document in the Dockerfile what ports
+# the application is going to listen on by default.
+# https://docs.docker.com/reference/dockerfile/#expose
+EXPOSE 9090
+
+# Run
+CMD ["/backend/app"]

backend/database/initialise_database.go

@@ -13,7 +13,7 @@ import (
 
 func InitialiseDB() (*mongo.Client, error) {
 	// Load environment variables
-	err := godotenv.Load("questionDB.env")
+	err := godotenv.Load(".env")
 
 	if err != nil {
 		log.Fatal("Error loading environment variables: " + err.Error())

backend/main.go

@@ -21,7 +21,7 @@ import (
 func main() {
 	//initialise logger file and directory if they do not exist
 
-	err := godotenv.Load("questionDB.env")
+	err := godotenv.Load(".env")
 	if err != nil {
 		log.Fatal("Error loading environment variables: " + err.Error())
 	}

backend/transport/health.go

@@ -0,0 +1,14 @@
+package transport
+
+import (
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"peerprep/common"
+)
+
+func HealthCheck(logger *common.Logger) gin.HandlerFunc {
+	return func(ctx *gin.Context) {
+		ctx.JSON(http.StatusOK, gin.H{"Status": "healthy"})
+		logger.Log.Info("Health check successful")
+	}
+}

backend/transport/question_http_requests.go

@@ -18,6 +18,7 @@ func SetAllEndpoints(router *gin.Engine, db *database.QuestionDB, logger *common
 	router.GET("/questions/solve/:id", GetQuestionWithLogger(db, logger))
 	router.DELETE("/questions/delete/:id", DeleteQuestionWithLogger(db, logger))
 	router.PUT("/questions/replace/:id", ReplaceQuestionWithLogger(db, logger))
+	router.GET("/health", HealthCheck(logger))
 }
 
 // enable CORS for the frontend

compose.yaml

@@ -0,0 +1,49 @@
+services:
+  peerprep:
+    build: peerprep
+    env_file:
+      - peerprep/.env
+    ports:
+      - "3000:3000"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+
+    develop:
+      watch:
+        - action: sync
+          path: peerprep
+          target: /frontend
+
+  user-service:
+    build: user-service
+    volumes:
+      - /app/node_modules
+    env_file:
+      - user-service/.env
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    ports:
+      - "3001:3001"
+    develop:
+      watch:
+        - action: rebuild
+          path: user-service
+          target: /user-service
+
+
+  backend:
+    build: backend
+    env_file:
+      - backend/.env
+    ports:
+      - "9090:9090"
+    develop:
+      watch:
+        - action: rebuild
+          path: backend
+          target: backend/app
+
+#  mongo:
+#    image: "mongo:latest"
+#    ports:
+#      - "27017:27017"