feat: add Dockerfile and build script for multi-stage Docker builds

.dockerignore

@@ -0,0 +1,6 @@
+.env
+.claude
+.idea
+Dockerfile
+docker-compose.yml
+build-docker.sh

Dockerfile

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+# ---------- Builder Stage ----------
+FROM golang:1.24.2 AS builder
+ARG GIT_AUTH_TOKEN
+RUN git config --global url."https://${GIT_AUTH_TOKEN}:x-oauth-basic@git.denco.store/".insteadOf "https://git.denco.store/"
+
+WORKDIR /app
+
+# copy only go.mod and go.sum first
+COPY go.mod go.sum ./
+RUN go mod download
+
+# now copy the rest of the code
+COPY . .
+
+# build binaries
+RUN CGO_ENABLED=0 GOOS=linux go build -o server ./cmd/server/main.go \
+ && CGO_ENABLED=0 GOOS=linux go build -o tasks_server ./cmd/tasks_server/main.go
+
+
+
+# ---------- Final Image: Server ----------
+FROM gcr.io/distroless/static-debian12 AS server
+WORKDIR /app
+COPY --from=builder /app/server .
+ENTRYPOINT ["./server"]
+
+
+# ---------- Final Image: Tasks Server ----------
+FROM gcr.io/distroless/static-debian12 AS tasks_server
+WORKDIR /app
+COPY --from=builder /app/tasks_server .
+ENTRYPOINT ["./tasks_server"]

build-docker.sh

@@ -1,9 +1,7 @@
 
-go build -o cmd/server/main cmd/server/main.go
-go build -o cmd/tasks_server/main cmd/tasks_server/main.go
 
-docker build -t git.denco.store/fakz9/sipro-marketplaces:latest cmd/server
-docker build -t git.denco.store/fakz9/sipro-marketplaces-worker:latest cmd/tasks_server
+ docker build --build-arg GIT_AUTH_TOKEN=6d52710e6960046501f4ab5ab76b6e0c7c8d5a92 -t git.denco.store/fakz9/sipro-marketplaces:latest --target server .
+ docker build --build-arg GIT_AUTH_TOKEN=6d52710e6960046501f4ab5ab76b6e0c7c8d5a92 -t git.denco.store/fakz9/sipro-marketplaces-worker:latest --target tasks_server .
 
 docker push git.denco.store/fakz9/sipro-marketplaces:latest
 docker push git.denco.store/fakz9/sipro-marketplaces-worker:latest

cmd/server/Dockerfile

@@ -1,5 +0,0 @@
-FROM alpine:latest
-WORKDIR /app
-COPY main .
-RUN apk add gcompat
-CMD ["./main"]

cmd/tasks_server/Dockerfile

@@ -1,5 +0,0 @@
-FROM alpine:latest
-WORKDIR /app
-COPY main .
-RUN apk add gcompat
-CMD ["./main"]