extend README & simplify docker file

Dockerfile

@@ -1,34 +1,20 @@
-FROM golang:1.23.3-alpine AS builder
-ENV USERNAME=mcvs-integrationtest-services
-ENV HOME=/home/${USERNAME}
-RUN adduser -D -g '' ${USERNAME}
-COPY . /go/${USERNAME}/
-WORKDIR /go/${USERNAME}/cmd/${USERNAME}
-RUN apk add --no-cache \
-        curl=~8 \
-        git=~2 && \
-    CGO_ENABLED=0 go build -buildvcs=false && \
-    find ${HOME}/ -mindepth 1 -delete && \
-    chown 1000 -R ${HOME} && \
-    chmod 0700 -R ${HOME}
+FROM golang:1.23.3-alpine as builder
 
-FROM alpine:3.20.3
-ENV USERNAME=mcvs-integrationtest-services
-ENV HOME=/home/${USERNAME}
-ENV PATH=${HOME}/bin:${PATH}
-COPY --from=builder /etc/passwd /etc/passwd
-COPY --from=builder /go/${USERNAME}/cmd/${USERNAME}/${USERNAME} /usr/local/bin/${USERNAME}
-COPY --from=builder /home/${USERNAME} ${HOME}/
-RUN apk update && \
-    apk upgrade && \
-    apk add --no-cache \
-        curl=~8 \
-        libcrypto3=~3 \
-        libssl3=~3 && \
-    chown 1000 -R ${HOME} && \
-    chmod 0700 -R ${HOME} && \
-    rm -rf /var/cache/apk/*
-VOLUME ["/tmp","/home/${USERNAME}"]
-USER ${USERNAME}
-EXPOSE 1323
-ENTRYPOINT ["mcvs-integrationtest-services"]
+RUN apk update && apk add --no-cache git ca-certificates tzdata && update-ca-certificates
+
+RUN mkdir /app
+WORKDIR /app
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+COPY . .
+
+ARG APPLICATION=mcvs-integrationtest-services
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -o main ./cmd/$APPLICATION
+
+FROM scratch
+COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=builder /app/main ./main
+CMD ["./main"]

README.md

@@ -22,23 +22,58 @@ integrated environments.
 Note: This image can be used with other programming languages as well, as long
 as they have a framework similar to go-dockertest
 
-## Build
+## MCVS-IntegrationTest-Service
+
+### Build
 
 ```zsh
 docker build -t mcvs-integrationtest-services .
 ```
 
-## Run
+### Run
 
 ```zsh
 docker run -p 9999:1323 -it mcvs-integrationtest-services
 ```
 
-## Test
+### Test
 
 ```zsh
 curl \
   -X POST http://localhost:9999/authorization/users \
   -H "Content-Type: application/json" \
   -d '{"action":"listLabels","email":"[email protected]","facility":"a","group":"a","name":"someName"}'
 ```
+
+## MCVS-Stub-Server
+
+A simple HTTP server which can configure endpoints with a given response. This can be used as a stub server to mimick behaviour of other services.
+
+### Build
+
+```zsh
+docker build -t stub-server --build-arg APPLICATION=mcvs-stub-server .
+```
+
+### Run
+
+```zsh
+docker run -p 8080:8080 stub-server
+```
+
+### Test
+
+**Configuring**
+```
+curl --location 'localhost:8080/configure' \
+--header 'Content-Type: application/json' \
+--data '{
+    "path": "/foo",
+    "response": {"foo": "bar"}
+}'
+```
+
+**Hit a configured endpoint**
+```
+curl --location 'localhost:8080/foo'
+```

cmd/mcvs-stub-server/main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"encoding/json"
-	"fmt"
 	"log"
 	"net/http"
 	"sync"
@@ -62,7 +61,6 @@ func (h *handler) configure(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "Response is required", http.StatusBadRequest)
 		return
 	}
-	fmt.Println("HIIII", request.Response)
 	h.mu.Lock()
 	h.endpoints[request.Path] = request.Response
 	h.mu.Unlock()