feat: helmify simplebank eks cd

.github/workflows/cd.yml

@@ -46,10 +46,9 @@ jobs:
       - name: Set kube config
         run: aws eks update-kubeconfig --name ${{ secrets.EKS_CLUSTER }} --region ${{ secrets.AWS_REGION }}
 
-      - name: Deploy changes to EKS cluster
-        env:
-          IMAGE: ${{steps.login-ecr.outputs.registry}}/${{secrets.AWS_ECR_REPOSITORY}}:${{github.sha}}
+      - name: Install helm chart to EKS cluster
         run: |
-          kubectl apply -f eks/deployment.yml
-          kubectl apply -f eks/service.yml
-          kubectl set image deployment/simplebank-deployment simplebank=$IMAGE -n simplebank
+          helm install simplebank helm/simplebank 
+          --set image.repository=${{steps.login-ecr.outputs.registry}}/${{secrets.AWS_ECR_REPOSITORY}},
+                image.tag=${{github.sha}},
+                image.pullPolicy=IfNotPresent

Dockerfile

@@ -2,9 +2,6 @@ FROM golang:1.22.2-alpine3.19 AS builder
 
 WORKDIR /app
 
-RUN apk add curl
-RUN curl -L https://github.com/golang-migrate/migrate/releases/download/v4.17.0/migrate.linux-amd64.tar.gz | tar xvz
-
 # pre-copy/cache go.mod for pre-downloading dependencies and only redownloading them in subsequent builds if they change
 COPY go.mod go.sum ./
 RUN go mod download && go mod verify
@@ -17,14 +14,10 @@ FROM alpine:3.19
 WORKDIR /usr/local/bin
 
 COPY --from=builder /app/server .
-COPY --from=builder /app/migrate .
 
 COPY app.env .
-COPY scripts/start.sh .
 COPY sql/migrations/ ./sql/migrations/
 
 CMD ["server"]
 
-ENTRYPOINT [ "start.sh" ]
-
 EXPOSE 8080

Makefile

@@ -4,13 +4,13 @@ ifneq (,$(wildcard ./app.env))
 endif
 
 postgres:
-	docker run --name $(DB_CONTAINER_NAME) -p $(DB_PORT):5432 -e POSTGRES_PASSWORD=$(DB_PASSWORD) -e POSTGRES_USER=$(DB_USER) -d postgres:16-alpine
+	docker run --name simplebank-db -p $(DB_PORT):5432 -e POSTGRES_PASSWORD=$(DB_PASSWORD) -e POSTGRES_USER=$(DB_USER) -d postgres:16-alpine
 
 createdb:
-	docker exec -it $(DB_CONTAINER_NAME) createdb --username=$(DB_USER) --owner=$(DB_USER) $(DB_NAME)
+	docker exec -it simplebank-db createdb --username=$(DB_USER) --owner=$(DB_USER) $(DB_NAME)
 
 dropdb:
-	docker exec -it $(DB_CONTAINER_NAME) dropdb --username=$(DB_USER) $(DB_NAME)
+	docker exec -it simplebank-db dropdb --username=$(DB_USER) $(DB_NAME)
 
 migrateup:
 	migrate -path sql/migrations -database $(DB_URL) -verbose up

README.md

@@ -31,6 +31,54 @@ make migrateup
 
 For more scripts checkout [`Makefile`](/Makefile)
 
+## Local k8s setup
+
+### Setting up server in minikube k8s cluster
+
+- Create env file
+```bash
+cp app.example.env app.env
+```
+- Start minikube k8s cluster
+```bash
+minikube start
+```
+- Set minikube docker env
+```bash
+eval $(minikube docker-env)
+```
+- Build simplebank docker image
+```bash
+docker build . -t aseerkt/simplebank:latest
+```
+- Create *simplebank** namepsace
+```bash
+kubectl create namespace simplebank
+```
+- Apply simplebank k8s deployment objects
+```bash
+kubectl apply -f eks/deployment.yml
+```
+
+### Post cleanup 
+
+- 
+```bash
+kubectl delete -f eks/deployment.yml
+```
+- 
+```bash
+docker rmi aseerkt/simplebank:latest
+```
+- 
+```bash
+eval $(minikube docker-env --unset)
+```
+- 
+```bash
+minikube stop && minikube delete
+```
+
 # Deployment
 
 

app.sample.env

@@ -5,7 +5,8 @@ DB_USER=root
 DB_PASSWORD=secret
 DB_NAME=simple_bank
 DB_PORT=5432
+
 DB_URL="postgresql://root:secret@localhost:5432/simple_bank?sslmode=disable"
-DB_CONTAINER_NAME=postgres16
+MIGRATE_URL=file://sql/migrations
 
 SERVER_ADDRESS=:8080

cmd/server/main.go

@@ -4,6 +4,10 @@ import (
 	"database/sql"
 	"log"
 
+	"github.com/golang-migrate/migrate/v4"
+	_ "github.com/golang-migrate/migrate/v4/database/postgres"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
+
 	"github.com/aseerkt/go-simple-bank/pkg/api"
 	"github.com/aseerkt/go-simple-bank/pkg/db"
 	"github.com/aseerkt/go-simple-bank/pkg/utils"
@@ -20,6 +24,8 @@ func main() {
 		log.Fatal("unable to connect to db: ", err)
 	}
 
+	runDBMigrations(config.MigrateUrl, config.DBUrl)
+
 	store := db.NewStore(conn)
 
 	server := api.NewServer(store, &config)
@@ -28,3 +34,17 @@ func main() {
 
 	server.Start(config.ServerAddress)
 }
+
+func runDBMigrations(migratePath string, dbUrl string) {
+	migrateInstance, err := migrate.New(migratePath, dbUrl)
+
+	if err != nil {
+		log.Fatal("cannot create new migrate instance", err)
+	}
+
+	if err := migrateInstance.Up(); err != nil && err != migrate.ErrNoChange {
+		log.Fatal("failed to run migrate up", err)
+	}
+
+	log.Println("db migrate successfully")
+}

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/gin-gonic/gin v1.9.1
 	github.com/go-playground/validator/v10 v10.19.0
 	github.com/golang-jwt/jwt/v5 v5.2.1
+	github.com/golang-migrate/migrate/v4 v4.17.0
 	github.com/google/uuid v1.4.0
 	github.com/lib/pq v1.10.9
 	github.com/spf13/viper v1.18.2
@@ -28,6 +29,8 @@ require (
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect