kickstart

service_a/Dockerfile

@@ -0,0 +1,19 @@
+FROM golang:1.25.2-alpine3.22 AS builder
+
+WORKDIR /app
+
+COPY go.mod ./
+COPY server/ ./server/
+
+RUN go mod download
+RUN go build -o /app/service_a ./server/main.go
+
+FROM alpine:latest
+
+WORKDIR /app
+
+COPY --from=builder /app/service_a /app/service_a
+
+EXPOSE 8080
+
+CMD ["/app/service_a"]

service_a/go.mod

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+module servicea
+
+go 1.25.2

service_a/server/database/migrations/001_data.up.sql

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+create table public.locations
+(
+    id serial primary key,
+    location_name varchar(255) not null
+);
+
+
+create table public.temp_data
+(
+    id serial primary key,
+
+    location_id int not null references public.locations (id),
+    max_temp float not null,
+    min_temp float not null,
+    rainfall float not null,
+    cloudiness float not null,
+
+    created_at timestamp not null default now()
+);

service_a/server/database/queries/queries.sql

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+-- name: DummyQuery :exec
+select 1;

service_a/server/main.go

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+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+)
+
+func main() {
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("GET /hello", func(w http.ResponseWriter, r *http.Request) {
+		log.Println("Received request on /hello endpoint")
+		fmt.Fprintf(w, "Hello world from service A")
+	})
+
+	http.ListenAndServe(":8080", mux)
+}