Added db configurations and Dockerfile

Dockerfile

@@ -0,0 +1,26 @@
+FROM golang:1.24.1-alpine3.21 AS builder
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+# Specifica il path del main package
+RUN CGO_ENABLED=0 GOOS=linux go build -o api ./cmd/fileserver
+
+FROM alpine:latest
+
+WORKDIR /app
+
+COPY --from=builder /app/api .
+COPY --from=builder /app/config/*.json ./config/
+
+RUN ls -laR .
+
+RUN apk --no-cache add ca-certificates
+
+EXPOSE 8080
+
+CMD ["./api"]