fix: resolve lint issues, pin Docker image, and improve docs

Signed-off-by: Syedowais312 <[email protected]>

Author: Syedowais312

fasthttp-postgres/Dockerfile

@@ -2,7 +2,7 @@ FROM golang:1.22-alpine AS builder
 
 WORKDIR /app
 
-#install git (needed for go modules somethimes)
+# install git (needed for go modules sometimes)
 RUN apk add --no-cache git
 
 #copy gomod files first (better caching)
@@ -16,7 +16,7 @@ COPY . .
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o app
 
 # ---------- Runtime stage ----------
-FROM alpine:latest
+FROM alpine:3.19
 
 WORKDIR /app
 

fasthttp-postgres/README.md

@@ -13,6 +13,37 @@ git clone https://github.com/keploy/samples-go && cd fasthttp-postgres
 ```bash
 curl --silent -O -L https://keploy.io/install.sh && source install.sh
 ```
+## Run the application without Docker
+
+### Prerequisites
+- Go 1.22+
+- PostgreSQL running locally
+
+### Setup Database
+Create a database and apply migrations:
+```bash
+createdb db
+psql db < migrations/init.sql
+```
+### Set environment variables
+```bash
+export DB_HOST=localhost
+export DB_PORT=5432
+export DB_USER=postgres
+export DB_PASSWORD=password
+export DB_NAME=db
+
+```
+### Run the server
+```bash
+go run main.go
+```
+The server will start at:
+```md
+```bash
+ http://localhost:8080
+ ```
+ 
 
 Keploy can be used on Linux, Windows and MacOS through [Docker](https://docs.docker.com/engine/install/).
 
@@ -30,7 +61,7 @@ Using the docker-compose file we will start :-
 keploy record -c "docker-compose up" --container-name=fasthttp_app
 ```
 
-To genereate testcases we just need to make some API calls. You can use [Postman](https://www.postman.com/), [Hoppscotch](https://hoppscotch.io/), or simply `curl`: -
+To generate testcases we just need to make some API calls. You can use [Postman](https://www.postman.com/), [Hoppscotch](https://hoppscotch.io/), or simply `curl`: -
 
 1. Post Requests
 ```shell
@@ -51,11 +82,12 @@ curl -i http://localhost:8080/books
 Now that we have our testcase captured, run the test file.
 
 ```shell
-keploy test -c "docker-compose up" --container-name=fasthttp_app --goCoverage --delay 10
+keploy test -c "docker-compose up" --container-name=fasthttp_app --delay 10
 ```
 
 ![alt text](./img/testrun.png)
 
-_Voila! Our testcases have passed🥳_ . We can also notice that by capturing just few API calls we got around 88.5% of aggregated coverage with keploy generated testcases
+_Voila! Our testcases have passed🥳_ . We can also notice that by capturing just a few API calls we achieved high test coverage with Keploy generated testcases
+
 
 If you like the sample application, Don't forget to star us ✨

fasthttp-postgres/internal/app/app.go

@@ -13,6 +13,7 @@ import (
 	"time"
 
 	"github.com/fasthttp/router"
+	// Blank import required to register the PostgreSQL driver
 	_ "github.com/lib/pq"
 	"github.com/valyala/fasthttp"
 )