我有一個main.go檔案，用于運行一個應用程式，該應用程式啟動一個服務器，該服務器公開一個埠，我可以從中運行端點。我試圖對它進行 dockerise 并盡可能制作包含應用程式和資料庫的作業容器，但我似乎仍然必須go run main.go在運行docker-compose up -d.
// present folder structure
.
├── cities.json // holds records of all city names
├── docker-compose.yaml
├── dockerfile
├── go.mod
├── go.sum
├── localmon.sh // bash script that does a mongoimport to import all records from cities.json into the db
├── main.go
└── README.md
有人告訴我，我可能必須映射一個卷，知道它的位置并讓它執行。另一種選擇（更復雜）是 bash 腳本（或兩者兼而有之？）
我有點不確定如何解決這個問題，或者我現在應該如何處理我的撰寫檔案和 dockerfile。
version: '3.3'
services:
db:
hostname: mongo-test
container_name: "mongo-test"
image: mongo
networks:
- app_test
ports:
- "8001:27017"
# - "27017:27017"
env_file: .env
restart: unless-stopped
volumes:
- ".mongodata:/data/db"
app:
hostname: app-test
container_name: "app"
build:
context: .
dockerfile: dockerfile
networks:
- app_test
ports:
- "54321:8080"
# - "8080:8080"
restart: unless-stopped
env_file: .env
networks:
app_test: {}
FROM golang:1.17.5-alpine3.15
RUN mkdir /app
ADD . /app
WORKDIR /app
# Copies and downloads necessary dependencies
COPY go.mod ./
COPY go.sum ./
RUN go mod download
RUN go build -o main .
# Port 8080 exposed for use
EXPOSE 8080
# Command that starts the container
CMD ["./main"]
env file that holds some DB related stuff for the main.go file to use.
DB_URI=mongodb://mongo-test:8001
CITY_DB=nht_cities
COL_USER=user
COL_CITY=city
USER_AUTH_TOKEN=50dba...
// localmon.sh
#! /bin/bash
mongoimport --host 192.168.0.101 --port 8001 --db nht_cities --collection city --type json --file ./cities.json
docker-compose logs 在運行最近的 docker-compose up -d
Attaching to mongo-test, app
app | time="2022-01-03T20:08:52Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:09:02Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:09:13Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:09:24Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:09:34Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:09:45Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:09:55Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:10:06Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:10:17Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:10:27Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:10:38Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:10:48Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
app | time="2022-01-03T20:10:59Z" level=fatal msg="server selection error: context deadline exceeded, current topology: { Type: Unknown, Servers: [{ Addr: mongo-test:8001, Type: Unknown, Last error: connection() error occured during connection handshake: dial tcp 172.23.0.2:8001: connect: connection refused }, ] }"
... goes on for a bit
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.360 00:00"},"s":"I", "c":"CONTROL", "id":23285, "ctx":"-","msg":"Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'"}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.362 00:00"},"s":"I", "c":"NETWORK", "id":4915701, "ctx":"main","msg":"Initialized wire specification","attr":{"spec":{"incomingExternalClient":{"minWireVersion":0,"maxWireVersion":13},"incomingInternalClient":{"minWireVersion":0,"maxWireVersion":13},"outgoing":{"minWireVersion":0,"maxWireVersion":13},"isInternalClient":true}}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.362 00:00"},"s":"W", "c":"ASIO", "id":22601, "ctx":"main","msg":"No TransportLayer configured during NetworkInterface startup"}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.362 00:00"},"s":"I", "c":"NETWORK", "id":4648601, "ctx":"main","msg":"Implicit TCP FastOpen unavailable. If TCP FastOpen is required, set tcpFastOpenServer, tcpFastOpenClient, and tcpFastOpenQueueSize."}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.363 00:00"},"s":"W", "c":"ASIO", "id":22601, "ctx":"main","msg":"No TransportLayer configured during NetworkInterface startup"}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.363 00:00"},"s":"I", "c":"REPL", "id":5123008, "ctx":"main","msg":"Successfully registered PrimaryOnlyService","attr":{"service":"TenantMigrationDonorService","ns":"config.tenantMigrationDonors"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.363 00:00"},"s":"I", "c":"REPL", "id":5123008, "ctx":"main","msg":"Successfully registered PrimaryOnlyService","attr":{"service":"TenantMigrationRecipientService","ns":"config.tenantMigrationRecipients"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.363 00:00"},"s":"I", "c":"CONTROL", "id":5945603, "ctx":"main","msg":"Multi threading initialized"}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.364 00:00"},"s":"I", "c":"CONTROL", "id":4615611, "ctx":"initandlisten","msg":"MongoDB starting","attr":{"pid":1,"port":27017,"dbPath":"/data/db","architecture":"64-bit","host":"mongo-test"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.364 00:00"},"s":"I", "c":"CONTROL", "id":23403, "ctx":"initandlisten","msg":"Build Info","attr":{"buildInfo":{"version":"5.0.5","gitVersion":"d65fd89df3fc039b5c55933c0f71d647a54510ae","openSSLVersion":"OpenSSL 1.1.1f 31 Mar 2020","modules":[],"allocator":"tcmalloc","environment":{"distmod":"ubuntu2004","distarch":"x86_64","target_arch":"x86_64"}}}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.364 00:00"},"s":"I", "c":"CONTROL", "id":51765, "ctx":"initandlisten","msg":"Operating System","attr":{"os":{"name":"Ubuntu","version":"20.04"}}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.364 00:00"},"s":"I", "c":"CONTROL", "id":21951, "ctx":"initandlisten","msg":"Options set by command line","attr":{"options":{"net":{"bindIp":"*"}}}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.365 00:00"},"s":"I", "c":"STORAGE", "id":22270, "ctx":"initandlisten","msg":"Storage engine to use detected by data files","attr":{"dbpath":"/data/db","storageEngine":"wiredTiger"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.365 00:00"},"s":"I", "c":"STORAGE", "id":22297, "ctx":"initandlisten","msg":"Using the XFS filesystem is strongly recommended with the WiredTiger storage engine. See http://dochub.mongodb.org/core/prodnotes-filesystem","tags":["startupWarnings"]}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.365 00:00"},"s":"I", "c":"STORAGE", "id":22315, "ctx":"initandlisten","msg":"Opening WiredTiger","attr":{"config":"create,cache_size=7178M,session_max=33000,eviction=(threads_min=4,threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),builtin_extension_config=(zstd=(compression_level=6)),file_manager=(close_idle_time=600,close_scan_interval=10,close_handle_minimum=250),statistics_log=(wait=0),verbose=[recovery_progress,checkpoint_progress,compact_progress],"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.942 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1641240522:942716][1:0x7f62a3693c80], txn-recover: [WT_VERB_RECOVERY_PROGRESS] Recovering log 9 through 10"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:42.968 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1641240522:968493][1:0x7f62a3693c80], txn-recover: [WT_VERB_RECOVERY_PROGRESS] Recovering log 10 through 10"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.010 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1641240523:10614][1:0x7f62a3693c80], txn-recover: [WT_VERB_RECOVERY_ALL] Main recovery loop: starting at 9/5120 to 10/256"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.056 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1641240523:56865][1:0x7f62a3693c80], txn-recover: [WT_VERB_RECOVERY_PROGRESS] Recovering log 9 through 10"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.084 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1641240523:84544][1:0x7f62a3693c80], txn-recover: [WT_VERB_RECOVERY_PROGRESS] Recovering log 10 through 10"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.108 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1641240523:108553][1:0x7f62a3693c80], txn-recover: [WT_VERB_RECOVERY_ALL] Set global recovery timestamp: (0, 0)"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.108 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1641240523:108603][1:0x7f62a3693c80], txn-recover: [WT_VERB_RECOVERY_ALL] Set global oldest timestamp: (0, 0)"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.110 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1641240523:110204][1:0x7f62a3693c80], WT_SESSION.checkpoint: [WT_VERB_CHECKPOINT_PROGRESS] saving checkpoint snapshot min: 1, snapshot max: 1 snapshot count: 0, oldest timestamp: (0, 0) , meta checkpoint timestamp: (0, 0) base write gen: 616"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.115 00:00"},"s":"I", "c":"STORAGE", "id":4795906, "ctx":"initandlisten","msg":"WiredTiger opened","attr":{"durationMillis":750}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.115 00:00"},"s":"I", "c":"RECOVERY", "id":23987, "ctx":"initandlisten","msg":"WiredTiger recoveryTimestamp","attr":{"recoveryTimestamp":{"$timestamp":{"t":0,"i":0}}}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.116 00:00"},"s":"I", "c":"STORAGE", "id":4366408, "ctx":"initandlisten","msg":"No table logging settings modifications are required for existing WiredTiger tables","attr":{"loggingEnabled":true}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.117 00:00"},"s":"I", "c":"STORAGE", "id":22262, "ctx":"initandlisten","msg":"Timestamp monitor starting"}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.120 00:00"},"s":"W", "c":"CONTROL", "id":22120, "ctx":"initandlisten","msg":"Access control is not enabled for the database. Read and write access to data and configuration is unrestricted","tags":["startupWarnings"]}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.123 00:00"},"s":"I", "c":"NETWORK", "id":4915702, "ctx":"initandlisten","msg":"Updated wire specification","attr":{"oldSpec":{"incomingExternalClient":{"minWireVersion":0,"maxWireVersion":13},"incomingInternalClient":{"minWireVersion":0,"maxWireVersion":13},"outgoing":{"minWireVersion":0,"maxWireVersion":13},"isInternalClient":true},"newSpec":{"incomingExternalClient":{"minWireVersion":0,"maxWireVersion":13},"incomingInternalClient":{"minWireVersion":13,"maxWireVersion":13},"outgoing":{"minWireVersion":13,"maxWireVersion":13},"isInternalClient":true}}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.123 00:00"},"s":"I", "c":"STORAGE", "id":5071100, "ctx":"initandlisten","msg":"Clearing temp directory"}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.123 00:00"},"s":"I", "c":"CONTROL", "id":20536, "ctx":"initandlisten","msg":"Flow Control is enabled on this deployment"}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.124 00:00"},"s":"I", "c":"FTDC", "id":20625, "ctx":"initandlisten","msg":"Initializing full-time diagnostic data capture","attr":{"dataDirectory":"/data/db/diagnostic.data"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.126 00:00"},"s":"I", "c":"REPL", "id":6015317, "ctx":"initandlisten","msg":"Setting new configuration state","attr":{"newState":"ConfigReplicationDisabled","oldState":"ConfigPreStart"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.126 00:00"},"s":"I", "c":"NETWORK", "id":23015, "ctx":"listener","msg":"Listening on","attr":{"address":"/tmp/mongodb-27017.sock"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.127 00:00"},"s":"I", "c":"NETWORK", "id":23015, "ctx":"listener","msg":"Listening on","attr":{"address":"0.0.0.0"}}
mongo-test | {"t":{"$date":"2022-01-03T20:08:43.127 00:00"},"s":"I", "c":"NETWORK", "id":23016, "ctx":"listener","msg":"Waiting for connections","attr":{"port":27017,"ssl":"off"}}
mongo-test | {"t":{"$date":"2022-01-03T20:09:43.122 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"Checkpointer","msg":"WiredTiger message","attr":{"message":"[1641240583:122644][1:0x7f629ae81700], WT_SESSION.checkpoint: [WT_VERB_CHECKPOINT_PROGRESS] saving checkpoint snapshot min: 3, snapshot max: 3 snapshot count: 0, oldest timestamp: (0, 0) , meta checkpoint timestamp: (0, 0) base write gen: 616"}}
mongo-test | {"t":{"$date":"2022-01-03T20:10:43.134 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"Checkpointer","msg":"WiredTiger message","attr":{"message":"[1641240643:134518][1:0x7f629ae81700], WT_SESSION.checkpoint: [WT_VERB_CHECKPOINT_PROGRESS] saving checkpoint snapshot min: 6, snapshot max: 6 snapshot count: 0, oldest timestamp: (0, 0) , meta checkpoint timestamp: (0, 0) base write gen: 616"}}
mongo-test | {"t":{"$date":"2022-01-03T20:11:43.147 00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"Checkpointer","msg":"WiredTiger message","attr":{"message":"[1641240703:147808][1:0x7f629ae81700], WT_SESSION.checkpoint: [WT_VERB_CHECKPOINT_PROGRESS] saving checkpoint snapshot min: 8, snapshot max: 8 snapshot count: 0, oldest timestamp: (0, 0) , meta checkpoint timestamp: (0, 0) base write gen: 616"}}
package main
import (
"context"
"crypto/sha256"
"encoding/json"
"fmt"
"math/rand"
"net/http"
"os"
"time"
"github.com/gorilla/mux"
"github.com/joho/godotenv"
log "github.com/sirupsen/logrus"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"go.mongodb.org/mongo-driver/mongo/readpref"
)
var client mongo.Client // mongo client from setup declared globally
var characterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789") // character runes used for creation of tokens
func setup() { // Setup for mongodb connection using mongo drivers. Returns client.
clientOptions := options.Client().
ApplyURI(os.Getenv("DB_URI"))
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
clientLocal, err := mongo.Connect(ctx, clientOptions)
if err != nil {
log.Fatalln(err, "This is from the first one")
}
err = clientLocal.Ping(ctx, readpref.Primary())
if err != nil {
log.Fatalln(err, "This is from the second one")
}
fmt.Println("MongoDB started successfully!")
client = *clientLocal
}
// model for user endpoint
type User struct {
Email string `json:"email"`
AccessToken string `json:"token"`
}
type City struct {
Name string `bson:"name" json:"name"`
}
func main() {
err := godotenv.Load() // Loads environment variables from .env
if err != nil {
log.Fatal("Error loading .env file")
}
setup()
r := mux.NewRouter()
r.Handle("/user", UserAuth(createUser)).Methods("POST") // Route for registering new users
r.Handle("/suggest", APIAuth(searchCity)).Methods("GET") // Route for searching cities within DB
fmt.Println("Server running at port 8080")
log.Fatal(http.ListenAndServe(":8080", r))
}
func createUser(w http.ResponseWriter, r *http.Request) { // POST request that takes in user details, generates an access token and inserts them into the DB
w.Header().Add("content-type", "application/json")
var user User
_ = json.NewDecoder(r.Body).Decode(&user)
userCollection := client.Database(os.Getenv("CITY_DB")).Collection(os.Getenv("COL_USER")) // Holds 'user' collection from DB
user.AccessToken = generateToken() // Generated access token is assigned to user struct
_, err := userCollection.InsertOne(context.Background(), user) // Details are inserted into the collection
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
log.Fatalln(err, "Failed to create user.")
}
json.NewEncoder(w).Encode(user)
}
func searchCity(w http.ResponseWriter, r *http.Request) { // GET request that takes in a url param and returns a list of cities from the DB
w.Header().Set("Content-Type", "application/json")
values := r.URL.Query()
city := values["city_name"] // Assigns url param from route `/suggest?city_name=` to 'city'
cityCollection := client.Database(os.Getenv("CITY_DB")).Collection(os.Getenv("COL_CITY")) // Holds 'city' collection from DB
if len(city) == 0 {
w.WriteHeader(http.StatusOK)
w.Write([]byte(`{"Error": "City name cannot be empty!"}`))
return
}
filter := bson.D{ //Regex filter for querying the input through the DB
primitive.E{
Key: "all_names", Value: primitive.Regex{
Pattern: city[0], Options: "i",
},
},
}
cursor, err := cityCollection.Find(r.Context(), filter) // Query to find city is declared with cursor
if err != nil {
log.Fatal(err)
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(`{"Error": "Could not execute cursor into query."}`))
return
}
var cityList []City
for cursor.Next(context.TODO()) { // Runs through each document entry in DB to see if regex matches
var cities City
err := cursor.Decode(&cities)
if err != nil {
log.Fatal(err)
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(`{"Error": "Could not run cursor."}`))
return
}
cityList = append(cityList, cities) // List of cities is appended to cityList
}
w.WriteHeader(http.StatusOK)
if len(cityList) == 0 {
w.Write([]byte(`{"cities": []}`))
return
}
json.NewEncoder(w).Encode(cityList)
}
func init() {
rand.Seed(time.Now().UnixNano()) // Creates a new seed for randomising the access token
}
func genString(n int) string { // Generates a randomised string from the character runes
b := make([]rune, n)
for i := range b {
b[i] = characterRunes[rand.Intn(len(characterRunes))]
}
return string(b)
}
func generateToken(n ...int) string { // Generates a token for when a new user registers their details
characters := 32
if len(n) > 0 {
characters = n[0]
}
randString := genString(characters)
h := sha256.New()
h.Write([]byte(randString))
generatedToken := h.Sum(nil)
return fmt.Sprintf("%x", generatedToken)
}
func APIAuth(endpoint func(http.ResponseWriter, *http.Request)) http.Handler { // Middleware to check if access token is contained within header when running searchCity
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
accessToken := r.Header.Get("x-api-key")
// Checks token in db
usersCollection := client.Database(os.Getenv("CITY_DB")).Collection(os.Getenv("COL_USER"))
filter := bson.D{
primitive.E{
Key: "accesstoken", Value: accessToken,
},
}
var user User
err := usersCollection.FindOne(context.TODO(), filter).Decode(&user)
if err != nil {
http.Error(w, `Unauthorized access`, http.StatusUnauthorized)
} else if len(accessToken) == 0 {
http.Error(w, `Unauthorized access`, http.StatusUnauthorized)
} else {
endpoint(w, r)
}
})
}
func UserAuth(endpoint func(http.ResponseWriter, *http.Request)) http.Handler { // Middleware to check if user registering has appropriate auth token
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
accessToken := r.Header.Get("x-access-token")
if len(accessToken) == 0 {
http.Error(w, "Unauthorized access, no token", http.StatusUnauthorized)
return
}
if accessToken != os.Getenv("USER_AUTH_TOKEN") {
http.Error(w, "Unauthorized access", http.StatusUnauthorized)
return
}
endpoint(w, r)
})
}
netstat -tulpn 運行容器
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN -
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN -
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN -
tcp 0 0 192.168.0.101:40571 0.0.0.0:* LISTEN 3086/rygel
tcp 0 0 127.0.0.1:5054 0.0.0.0:* LISTEN 2967/python3
tcp 0 0 172.17.0.1:41599 0.0.0.0:* LISTEN 3086/rygel
tcp 0 0 127.0.0.1:46624 0.0.0.0:* LISTEN 2358/kited
tcp 0 0 0.0.0.0:8001 0.0.0.0:* LISTEN -
tcp 0 0 127.0.0.1:34179 0.0.0.0:* LISTEN 3086/rygel
tcp 0 0 172.23.0.1:39273 0.0.0.0:* LISTEN 3086/rygel
tcp 0 0 127.0.0.1:27017 0.0.0.0:* LISTEN -
tcp 0 0 0.0.0.0:54321 0.0.0.0:* LISTEN -
tcp6 0 0 ::1:631 :::* LISTEN -
tcp6 0 0 :::8001 :::* LISTEN -
tcp6 0 0 :::5900 :::* LISTEN 3083/gnome-remote-d
tcp6 0 0 :::54321 :::* LISTEN -
udp 0 0 127.0.0.53:53 0.0.0.0:* -
udp 0 0 172.17.0.1:41320 0.0.0.0:* 3086/rygel
udp 0 0 0.0.0.0:631 0.0.0.0:* -
udp 0 0 0.0.0.0:50334 0.0.0.0:* -
udp 0 0 239.255.255.250:1900 0.0.0.0:* 3086/rygel
udp 0 0 172.17.0.1:1900 0.0.0.0:* 3086/rygel
udp 0 0 239.255.255.250:1900 0.0.0.0:* 3086/rygel
udp 0 0 172.23.0.1:1900 0.0.0.0:* 3086/rygel
udp 0 0 239.255.255.250:1900 0.0.0.0:* 3086/rygel
udp 0 0 192.168.0.101:1900 0.0.0.0:* 3086/rygel
udp 0 0 239.255.255.250:1900 0.0.0.0:* 3086/rygel
udp 0 0 127.0.0.1:1900 0.0.0.0:* 3086/rygel
udp 0 0 127.0.0.1:52502 0.0.0.0:* 3086/rygel
udp 0 0 172.23.0.1:45184 0.0.0.0:* 3086/rygel
udp 0 0 192.168.0.101:53552 0.0.0.0:* 3086/rygel
udp 0 0 0.0.0.0:5353 0.0.0.0:* -
udp6 0 0 :::42415 :::* -
udp6 0 0 :::5353 :::* -
uj5u.com熱心網友回復：
請更改.env檔案中的以下行：
DB_URI=mongodb://mongo-test:8001
到
DB_URI=mongodb://mongo-test:27017
當您使用docker compose up命令啟動容器時，它們會在同一個容器網路中運行。這意味著您需要指定容器埠而不是主機埠。容器埠在 Docker 王國中總是排在第二位：<host port>:<container port>.
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