docker compose

docker-compose.yml

 version: “3.8”
 services:
- mongo:
+  highlanderticketing:
+    build:
+      context: ./src
+      dockerfile: highlanderticketing/Dockerfile
+    ports:
+      - "8000:8000"
+    environment:
+      - DB_CONNECT=mongo:27017
+      - LOG_LEVEL=info # change to trace for debugging
+  mongo:
    container_name: mongo
    image: mongo:4.4
    ports:

src/highlanderticketing/Dockerfile

+FROM golang:1.20-buster
+# non-go modules dependencies
+RUN apt update
+
+# copy code and protobuf
+WORKDIR /go/src/app
+COPY ./highlanderticketing .
+
+RUN go mod download
+RUN go install
+
+RUN wget https://raw.githubusercontent.com/vishnubob/wait-for-it/81b1373f17855a4dc21156cfe1694c31d7d1792e/wait-for-it.sh
+RUN chmod +x ./wait-for-it.sh ./docker-entrypoint.sh
+
+ENTRYPOINT ["./docker-entrypoint.sh"]
+CMD ["highlanderticketing"]
+
+EXPOSE 8000
\ No newline at end of file

src/highlanderticketing/db/db.go

@@ -2,6 +2,7 @@ package db
 
 import (
 	"context"
+	"fmt"
 	"sync"
 
 	"go.mongodb.org/mongo-driver/mongo"
@@ -15,7 +16,7 @@ var (
 )
 
 const (
-	CONNECTIONSTRING = "mongodb://localhost:27017"
+	CONNECTIONSTRING = "mongodb://mongo:27017"
 	DB               = "db_issue_manager"
 	DBUSER           = "db_user"
 	MATCHES          = "col_matches"
@@ -30,6 +31,7 @@ func GetMongoClient() (*mongo.Client, error) {
 		clientOptions.SetMaxPoolSize(POOL_SIZE)
 		client, err := mongo.Connect(context.TODO(), clientOptions)
 		if err != nil {
+			fmt.Println("hier liegt der fehler")
 			clientInstanceError = err
 		}
 		err = client.Ping(context.TODO(), nil)

src/highlanderticketing/docker-entrypoint.sh

+#!/bin/sh
+# Abort on any error (including if wait-for-it fails).
+set -e
+# Wait for DB
+if [ -n "$DB_CONNECT" ]; then
+/go/src/app/wait-for-it.sh "$DB_CONNECT" -t 20
+fi
+# Run the main container command.
+exec "$@"
\ No newline at end of file

src/highlanderticketing/main.go

 package main
 
 import (
-	"fmt"
 	"net/http"
 	"os"
 
 	"github.com/gorilla/mux"
 	log "github.com/sirupsen/logrus"
-	"gitlab.reutlingen-university.de/ege/highlander-ticketing-go-ss2023/src/highlanderticketing/api"
 	"gitlab.reutlingen-university.de/ege/highlander-ticketing-go-ss2023/src/highlanderticketing/db"
 	"gitlab.reutlingen-university.de/ege/highlander-ticketing-go-ss2023/src/highlanderticketing/handler"
-	"gitlab.reutlingen-university.de/ege/highlander-ticketing-go-ss2023/src/highlanderticketing/model"
-	"gitlab.reutlingen-university.de/ege/highlander-ticketing-go-ss2023/src/highlanderticketing/service"
 )
 
 func main() {
-	service.DeleteAllUsers()
+	/*service.DeleteAllUsers()
 	var userArray []model.User
 	userArray, _ = service.GetAllUsers()
 	fmt.Println(userArray)
 	service.DeleteAllMatches()
-	api.GetMatchesOfApiToDb("https://api.openligadb.de/getmatchesbyteamid/16/5/0")
+	api.GetMatchesOfApiToDb("https://api.openligadb.de/getmatchesbyteamid/16/5/0")*/
 	//init db
 	_, err := db.GetMongoClient()
 	if err != nil {

src/highlanderticketing/wait-for-it.sh

+#!/usr/bin/env bash
+# Use this script to test if a given TCP host/port are available
+
+WAITFORIT_cmdname=${0##*/}
+
+echoerr() { if [[ $WAITFORIT_QUIET -ne 1 ]]; then echo "$@" 1>&2; fi }
+
+usage()
+{
+    cat << USAGE >&2
+Usage:
+    $WAITFORIT_cmdname host:port [-s] [-t timeout] [-- command args]
+    -h HOST | --host=HOST       Host or IP under test
+    -p PORT | --port=PORT       TCP port under test
+                                Alternatively, you specify the host and port as host:port
+    -s | --strict               Only execute subcommand if the test succeeds
+    -q | --quiet                Don't output any status messages
+    -t TIMEOUT | --timeout=TIMEOUT
+                                Timeout in seconds, zero for no timeout
+    -- COMMAND ARGS             Execute command with args after the test finishes
+USAGE
+    exit 1
+}
+
+wait_for()
+{
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    else
+        echoerr "$WAITFORIT_cmdname: waiting for $WAITFORIT_HOST:$WAITFORIT_PORT without a timeout"
+    fi
+    WAITFORIT_start_ts=$(date +%s)
+    while :
+    do
+        if [[ $WAITFORIT_ISBUSY -eq 1 ]]; then
+            nc -z $WAITFORIT_HOST $WAITFORIT_PORT
+            WAITFORIT_result=$?
+        else
+            (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1
+            WAITFORIT_result=$?
+        fi
+        if [[ $WAITFORIT_result -eq 0 ]]; then
+            WAITFORIT_end_ts=$(date +%s)
+            echoerr "$WAITFORIT_cmdname: $WAITFORIT_HOST:$WAITFORIT_PORT is available after $((WAITFORIT_end_ts - WAITFORIT_start_ts)) seconds"
+            break
+        fi
+        sleep 1
+    done
+    return $WAITFORIT_result
+}
+
+wait_for_wrapper()
+{
+    # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692
+    if [[ $WAITFORIT_QUIET -eq 1 ]]; then
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --quiet --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    else
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    fi
+    WAITFORIT_PID=$!
+    trap "kill -INT -$WAITFORIT_PID" INT
+    wait $WAITFORIT_PID
+    WAITFORIT_RESULT=$?
+    if [[ $WAITFORIT_RESULT -ne 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: timeout occurred after waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    fi
+    return $WAITFORIT_RESULT
+}
+
+# process arguments
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        *:* )
+        WAITFORIT_hostport=(${1//:/ })
+        WAITFORIT_HOST=${WAITFORIT_hostport[0]}
+        WAITFORIT_PORT=${WAITFORIT_hostport[1]}
+        shift 1
+        ;;
+        --child)
+        WAITFORIT_CHILD=1
+        shift 1
+        ;;
+        -q | --quiet)
+        WAITFORIT_QUIET=1
+        shift 1
+        ;;
+        -s | --strict)
+        WAITFORIT_STRICT=1
+        shift 1
+        ;;
+        -h)
+        WAITFORIT_HOST="$2"
+        if [[ $WAITFORIT_HOST == "" ]]; then break; fi
+        shift 2
+        ;;
+        --host=*)
+        WAITFORIT_HOST="${1#*=}"
+        shift 1
+        ;;
+        -p)
+        WAITFORIT_PORT="$2"
+        if [[ $WAITFORIT_PORT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --port=*)
+        WAITFORIT_PORT="${1#*=}"
+        shift 1
+        ;;
+        -t)
+        WAITFORIT_TIMEOUT="$2"
+        if [[ $WAITFORIT_TIMEOUT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --timeout=*)
+        WAITFORIT_TIMEOUT="${1#*=}"
+        shift 1
+        ;;
+        --)
+        shift
+        WAITFORIT_CLI=("$@")
+        break
+        ;;
+        --help)
+        usage
+        ;;
+        *)
+        echoerr "Unknown argument: $1"
+        usage
+        ;;
+    esac
+done
+
+if [[ "$WAITFORIT_HOST" == "" || "$WAITFORIT_PORT" == "" ]]; then
+    echoerr "Error: you need to provide a host and port to test."
+    usage
+fi
+
+WAITFORIT_TIMEOUT=${WAITFORIT_TIMEOUT:-15}
+WAITFORIT_STRICT=${WAITFORIT_STRICT:-0}
+WAITFORIT_CHILD=${WAITFORIT_CHILD:-0}
+WAITFORIT_QUIET=${WAITFORIT_QUIET:-0}
+
+# Check to see if timeout is from busybox?
+WAITFORIT_TIMEOUT_PATH=$(type -p timeout)
+WAITFORIT_TIMEOUT_PATH=$(realpath $WAITFORIT_TIMEOUT_PATH 2>/dev/null || readlink -f $WAITFORIT_TIMEOUT_PATH)
+
+WAITFORIT_BUSYTIMEFLAG=""
+if [[ $WAITFORIT_TIMEOUT_PATH =~ "busybox" ]]; then
+    WAITFORIT_ISBUSY=1
+    # Check if busybox timeout uses -t flag
+    # (recent Alpine versions don't support -t anymore)
+    if timeout &>/dev/stdout | grep -q -e '-t '; then
+        WAITFORIT_BUSYTIMEFLAG="-t"
+    fi
+else
+    WAITFORIT_ISBUSY=0
+fi
+
+if [[ $WAITFORIT_CHILD -gt 0 ]]; then
+    wait_for
+    WAITFORIT_RESULT=$?
+    exit $WAITFORIT_RESULT
+else
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        wait_for_wrapper
+        WAITFORIT_RESULT=$?
+    else
+        wait_for
+        WAITFORIT_RESULT=$?
+    fi
+fi
+
+if [[ $WAITFORIT_CLI != "" ]]; then
+    if [[ $WAITFORIT_RESULT -ne 0 && $WAITFORIT_STRICT -eq 1 ]]; then
+        echoerr "$WAITFORIT_cmdname: strict mode, refusing to execute subprocess"
+        exit $WAITFORIT_RESULT
+    fi
+    exec "${WAITFORIT_CLI[@]}"
+else
+    exit $WAITFORIT_RESULT
+fi
\ No newline at end of file