Add Dockerfile for backend (#60)

* Add Dockerfile for backend
Fixes #57

* Add Dockerfile for backend
Fixes #57

* removes a temporary test relict

Makefile

@@ -1,14 +1,19 @@
 DB_URL=postgresql://root:secret@localhost:5432/df?sslmode=disable
 
+reset_docker:
+	docker rm -vf df; docker rmi -f df; docker rm -vf postgres; docker rmi -f postgres
 
-initialize:
+backend_build_image:
-	go mod tidy && docker run --name postgres -p 5432:5432 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=secret -d postgres:15-alpine && sleep 5 && make network && make createdb && make migrateup && make test
+	docker build -t df:latest -f bff/Dockerfile
+
+backend_run:
+	make createdb; make migrateup; docker rm -vf df; docker run --name df --rmi -p 8080:8080 --network df-network -d df:latest
 
 network:
 	docker network create df-network
 
 postgres:
-	docker start postgres || docker run --name postgres -p 5432:5432 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=secret -d postgres:15-alpine
+	docker start postgres || docker run --name postgres -p 5432:5432 -e POSTGRES_USER=root -e POSTGRES_PASSWORD=secret --network df-network -d postgres:15-alpine
 
 migratenew:
 	migrate create -ext sql -dir bff/db/migration -seq init_schema
@@ -43,4 +48,4 @@ server:
 mock:
 	mockgen -package mockdb -destination bff/db/mock/store.go github.com/itsscb/df/bff/db/sqlc Store
 
-.PHONY: postgres migratenew createdb dropdb migrateup migratedown sqlc sqlcinit test server, initialize
+.PHONY: postgres migratenew createdb dropdb migrateup migratedown sqlc sqlcinit test server initialize backend_build_image backend_run reset_docker

README.md

@@ -3,10 +3,15 @@
 To first run the application in your local environment you can use 
 
 ```
-make initialize
+make network
+make postgres
+make backend_build_image
+make backend_run
 ``` 
 
-or run the commands listed in ```Makefile``` under `initialize` ***manually*** with your terminal in the repository root directory.
+or run those commands, listed in ```Makefile```, ***manually*** with your terminal in the repository root directory.
+
+***IMPORTANT***: You've got to have *golang-migrate* installed to run the backend.
 
 # Prerequisites
 
@@ -53,9 +58,6 @@ You can install it as described [here](https://github.com/golang-migrate/migrate
 
 Furthermore the binary should be in your `PATH` environment variable.
 
-The two most used commands are in the `Makefile`:
-- migrateup
-- migratedown
 
 #### Server
 

bff/Dockerfile

@@ -0,0 +1,16 @@
+# Build stage
+FROM golang:1.21-alpine3.18 AS builder
+WORKDIR /app
+COPY . .
+RUN go build -o main main.go
+
+# Run stage
+FROM alpine:3.18
+WORKDIR /app
+COPY --from=builder /app/main .
+COPY app.env .
+ENV DB_SOURCE=postgresql://root:secret@postgres:5432/df?sslmode=disable
+COPY db/migration ./db/migration
+
+EXPOSE 8080
+CMD [ "/app/main" ]

bff/db/sqlc/main_test.go

@@ -13,7 +13,7 @@ import (
 var testQueries *Queries
 
 func TestMain(m *testing.M) {
-	config, err := util.LoadConfig("../../..")
+	config, err := util.LoadConfig("../..")
 	if err != nil {
 		log.Fatal("cannot load config:", err)
 	}

bff/main.go

@@ -11,7 +11,7 @@ import (
 )
 
 func main() {
-	config, err := util.LoadConfig("./..")
+	config, err := util.LoadConfig(".")
 	if err != nil {
 		log.Fatal("cannot load config:", err)
 	}