Needed a container deployment service for a trader application where deployments must happen with a trigger from another service. This service creates whole deployment when users purchase it.
List of services that trader provisioner accepts.
GET
Response
{
"version": "xxx"
}POST /provision
Request
{
"user_id": "user_id",
"configuration": "{\r\n \"max_open_trades\": 10,\r\n \"stake_currency\": \"USDT\",\r\n \"stake_amount\": \"unlimited\",\r\n \"tradable_balance_ratio\": 0.99,\r\n \"fiat_display_currency\": \"USD\",\r\n \"timeframe\": \"1h\",\r\n \"dry_run\": true,\r\n \"cancel_open_orders_on_exit\": true,\r\n \"unfilledtimeout\": {\r\n \"buy\": 10,\r\n \"sell\": 30\r\n },\r\n \"bid_strategy\": {\r\n \"ask_last_balance\": 0.0,\r\n \"use_order_book\": false,\r\n \"order_book_top\": 1,\r\n \"check_depth_of_market\": {\r\n \"enabled\": false,\r\n \"bids_to_ask_delta\": 1\r\n }\r\n },\r\n \"ask_strategy\": {\r\n \"use_order_book\": false,\r\n \"order_book_min\": 1,\r\n \"order_book_max\": 1,\r\n \"use_sell_signal\": true,\r\n \"sell_profit_only\": false,\r\n \"ignore_roi_if_buy_signal\": false\r\n },\r\n \"exchange\": {\r\n \"name\": \"binance\",\r\n \"key\": \"MUEI9XWUexwPHR6zWu3o3VLZ0sY2eQ021BEXGBz2t5f77OX5XlwbONpSP2trQeKi\",\r\n \"secret\": \"h2b0o7EMwf3qHFHEtTFPXkqHCF9BkCGKSil1qx4oUHL1alwVWejilCSTUkABWnRd\",\r\n \"ccxt_config\": {\"enableRateLimit\": true},\r\n \"ccxt_async_config\": {\r\n \"enableRateLimit\": true,\r\n \"rateLimit\": 200\r\n },\r\n \"pair_whitelist\": [\r\n \"BTC\/USDT\",\r\n \"1INCH\/USDT\",\r\n \"AAVE\/USDT\",\r\n \"ACM\/USDT\",\r\n \"ADA\/USDT\",\r\n \"AION\/USDT\",\r\n \"AKRO\/USDT\",\r\n \"ALGO\/USDT\",\r\n \"ALICE\/USDT\",\r\n \"ALPHA\/USDT\",\r\n \"ANKR\/USDT\",\r\n \"ANT\/USDT\",\r\n \"ARDR\/USDT\",\r\n \"ARPA\/USDT\",\r\n \"ASR\/USDT\",\r\n \"ATM\/USDT\",\r\n \"ATOM\/USDT\",\r\n \"AUDIO\/USDT\",\r\n \"AUD\/USDT\",\r\n \"AUTO\/USDT\",\r\n \"AVA\/USDT\",\r\n \"AVAX\/USDT\",\r\n \"AXS\/USDT\",\r\n \"BADGER\/USDT\",\r\n \"BAL\/USDT\",\r\n \"BAND\/USDT\",\r\n \"BAT\/USDT\",\r\n \"BCH\/USDT\",\r\n \"BEAM\/USDT\",\r\n \"BEL\/USDT\",\r\n \"BLZ\/USDT\",\r\n \"BNT\/USDT\",\r\n \"BTCST\/USDT\",\r\n \"BTT\/USDT\",\r\n \"BUSD\/USDT\",\r\n \"BZRX\/USDT\",\r\n \"CAKE\/USDT\",\r\n \"CELO\/USDT\",\r\n \"CELR\/USDT\",\r\n \"CFX\/USDT\",\r\n \"CHR\/USDT\",\r\n \"CHZ\/USDT\",\r\n \"CKB\/USDT\",\r\n \"COCOS\/USDT\",\r\n \"COMP\/USDT\",\r\n \"COS\/USDT\",\r\n \"COTI\/USDT\",\r\n \"CRV\/USDT\",\r\n \"CTK\/USDT\",\r\n \"CTSI\/USDT\",\r\n \"CTXC\/USDT\",\r\n \"CVC\/USDT\",\r\n \"DASH\/USDT\",\r\n \"DATA\/USDT\",\r\n \"DCR\/USDT\",\r\n \"DEGO\/USDT\",\r\n \"DENT\/USDT\",\r\n \"DGB\/USDT\",\r\n \"DIA\/USDT\",\r\n \"DNT\/USDT\",\r\n \"DOCK\/USDT\",\r\n \"DODO\/USDT\",\r\n \"DOGE\/USDT\",\r\n \"DOT\/USDT\",\r\n \"DREP\/USDT\",\r\n \"DUSK\/USDT\",\r\n \"EGLD\/USDT\",\r\n \"ENJ\/USDT\",\r\n \"EOS\/USDT\",\r\n \"EPS\/USDT\",\r\n \"ETC\/USDT\",\r\n \"EUR\/USDT\",\r\n \"FET\/USDT\",\r\n \"FIL\/USDT\",\r\n \"FIO\/USDT\",\r\n \"FIRO\/USDT\",\r\n \"FIS\/USDT\",\r\n \"FLM\/USDT\",\r\n \"FTM\/USDT\",\r\n \"FTT\/USDT\",\r\n \"FUN\/USDT\",\r\n \"GBP\/USDT\",\r\n \"GRT\/USDT\",\r\n \"GTO\/USDT\",\r\n \"GXS\/USDT\",\r\n \"HARD\/USDT\",\r\n \"HBAR\/USDT\",\r\n \"HIVE\/USDT\",\r\n \"HNT\/USDT\",\r\n \"HOT\/USDT\",\r\n \"ICX\/USDT\",\r\n \"INJ\/USDT\",\r\n \"IOST\/USDT\",\r\n \"IOTA\/USDT\",\r\n \"IOTX\/USDT\",\r\n \"IRIS\/USDT\",\r\n \"JST\/USDT\",\r\n \"JUV\/USDT\",\r\n \"KAVA\/USDT\",\r\n \"KEY\/USDT\",\r\n \"KMD\/USDT\",\r\n \"KNC\/USDT\",\r\n \"KSM\/USDT\",\r\n \"LINA\/USDT\",\r\n \"LINK\/USDT\",\r\n \"LIT\/USDT\",\r\n \"LRC\/USDT\",\r\n \"LSK\/USDT\",\r\n \"LTC\/USDT\",\r\n \"LTO\/USDT\",\r\n \"LUNA\/USDT\",\r\n \"MANA\/USDT\",\r\n \"MATIC\/USDT\",\r\n \"MBL\/USDT\",\r\n \"MDT\/USDT\",\r\n \"MFT\/USDT\",\r\n \"MITH\/USDT\",\r\n \"MKR\/USDT\",\r\n \"MTL\/USDT\",\r\n \"NANO\/USDT\",\r\n \"NBS\/USDT\",\r\n \"NEAR\/USDT\",\r\n \"NEO\/USDT\",\r\n \"NMR\/USDT\",\r\n \"NULS\/USDT\",\r\n \"OCEAN\/USDT\",\r\n \"OGN\/USDT\",\r\n \"OG\/USDT\",\r\n \"OMG\/USDT\",\r\n \"OM\/USDT\",\r\n \"ONE\/USDT\",\r\n \"ONG\/USDT\",\r\n \"ONT\/USDT\",\r\n \"ORN\/USDT\",\r\n \"OXT\/USDT\",\r\n \"PAXG\/USDT\",\r\n \"PAX\/USDT\",\r\n \"PERL\/USDT\",\r\n \"PERP\/USDT\",\r\n \"PNT\/USDT\",\r\n \"POND\/USDT\",\r\n \"PSG\/USDT\",\r\n \"PUNDIX\/USDT\",\r\n \"QTUM\/USDT\",\r\n \"RAMP\/USDT\",\r\n \"REEF\/USDT\",\r\n \"REP\/USDT\",\r\n \"RIF\/USDT\",\r\n \"RLC\/USDT\",\r\n \"ROSE\/USDT\",\r\n \"RSR\/USDT\",\r\n \"RUNE\/USDT\",\r\n \"RVN\/USDT\",\r\n \"SAND\/USDT\",\r\n \"SC\/USDT\",\r\n \"SFP\/USDT\",\r\n \"SKL\/USDT\",\r\n \"SNX\/USDT\",\r\n \"SOL\/USDT\",\r\n \"SRM\/USDT\",\r\n \"STMX\/USDT\",\r\n \"STORJ\/USDT\",\r\n \"STPT\/USDT\",\r\n \"STRAX\/USDT\",\r\n \"STX\/USDT\",\r\n \"SUN\/USDT\",\r\n \"SUPER\/USDT\",\r\n \"SUSD\/USDT\",\r\n \"SUSHI\/USDT\",\r\n \"SXP\/USDT\",\r\n \"TCT\/USDT\",\r\n \"TFUEL\/USDT\",\r\n \"THETA\/USDT\",\r\n \"TKO\/USDT\",\r\n \"TOMO\/USDT\",\r\n \"TRB\/USDT\",\r\n \"TROY\/USDT\",\r\n \"TRU\/USDT\",\r\n \"TRX\/USDT\",\r\n \"TUSD\/USDT\",\r\n \"TWT\/USDT\",\r\n \"UMA\/USDT\",\r\n \"UNFI\/USDT\",\r\n \"UNI\/USDT\",\r\n \"USDC\/USDT\",\r\n \"UTK\/USDT\",\r\n \"VET\/USDT\",\r\n \"VITE\/USDT\",\r\n \"VTHO\/USDT\",\r\n \"WAN\/USDT\",\r\n \"WAVES\/USDT\",\r\n \"WING\/USDT\",\r\n \"WIN\/USDT\",\r\n \"WNXM\/USDT\",\r\n \"WRX\/USDT\",\r\n \"WTC\/USDT\",\r\n \"XEM\/USDT\",\r\n \"XLM\/USDT\",\r\n \"XMR\/USDT\",\r\n \"XRP\/USDT\",\r\n \"XTZ\/USDT\",\r\n \"XVS\/USDT\",\r\n \"YFII\/USDT\",\r\n \"YFI\/USDT\",\r\n \"ZEC\/USDT\",\r\n \"ZEN\/USDT\",\r\n \"ZIL\/USDT\",\r\n \"ZRX\/USDT\",\r\n \"BNB\/USDT\",\r\n \"ETH\/USDT\",\r\n \"REN\/USDT\",\r\n \"NKN\/USDT\",\r\n \"BTS\/USDT\"\r\n ],\r\n \"pair_blacklist\": [\r\n \"BNB\/BTC\"\r\n ]\r\n },\r\n \"pairlists\": [\r\n {\"method\": \"StaticPairList\"}\r\n ],\r\n \"edge\": {\r\n \"enabled\": false,\r\n \"process_throttle_secs\": 3600,\r\n \"calculate_since_number_of_days\": 7,\r\n \"allowed_risk\": 0.01,\r\n \"stoploss_range_min\": -0.0001,\r\n \"stoploss_range_max\": -0.1,\r\n \"stoploss_range_step\": -0.0001,\r\n \"minimum_winrate\": 0.60,\r\n \"minimum_expectancy\": 0.20,\r\n \"min_trade_number\": 10,\r\n \"max_trade_duration_minute\": 1440,\r\n \"remove_pumps\": false\r\n },\r\n \"telegram\": {\r\n \"enabled\": false,\r\n \"token\": \"1777355043:AAFV61iE0FgXEkyZEbOdEYfsjldGI3cFehE\",\r\n \"chat_id\": \"1574109528\"\r\n },\r\n \"api_server\": {\r\n \"enabled\": true,\r\n \"listen_ip_address\": \"0.0.0.0\",\r\n \"listen_port\": 8080,\r\n \"verbosity\": \"error\",\r\n \"jwt_secret_key\": \"somethingrandom\",\r\n \"CORS_origins\": [],\r\n \"username\": \"freqtrader\",\r\n \"password\": \"SuperSecurePassword\"\r\n },\r\n \"bot_name\": \"turantrade_bot\",\r\n \"initial_state\": \"running\",\r\n \"forcebuy_enable\": false,\r\n \"internals\": {\r\n \"process_throttle_secs\": 5\r\n },\r\n \"strategy\": \"PortfolioStrategy\"\r\n}"
}Response
{
"id": "Trader/Pod ID"
}PUT /updateConfig
{
"user_id": "user_id",
"trader_id": "trader_id",
"configuration": "{\r\n \"max_open_trades\": 3,\r\n \"stake_currency\": \"USDT\",\r\n \"stake_amount\": \"unlimited\",\r\n \"tradable_balance_ratio\": 0.99,\r\n \"fiat_display_currency\": \"USD\",\r\n \"timeframe\": \"1h\",\r\n \"dry_run\": true,\r\n \"cancel_open_orders_on_exit\": false,\r\n \"unfilledtimeout\": {\r\n \"buy\": 10,\r\n \"sell\": 30\r\n },\r\n \"bid_strategy\": {\r\n \"ask_last_balance\": 0.0,\r\n \"use_order_book\": false,\r\n \"order_book_top\": 1,\r\n \"check_depth_of_market\": {\r\n \"enabled\": false,\r\n \"bids_to_ask_delta\": 1\r\n }\r\n },\r\n \"ask_strategy\": {\r\n \"use_order_book\": false,\r\n \"order_book_min\": 1,\r\n \"order_book_max\": 1,\r\n \"use_sell_signal\": true,\r\n \"sell_profit_only\": false,\r\n \"ignore_roi_if_buy_signal\": false\r\n },\r\n \"exchange\": {\r\n \"name\": \"binance\",\r\n \"key\": \"MUEI9XWUexwPHR6zWu3o3VLZ0sY2eQ021BEXGBz2t5f77OX5XlwbONpSP2trQeKi\",\r\n \"secret\": \"h2b0o7EMwf3qHFHEtTFPXkqHCF9BkCGKSil1qx4oUHL1alwVWejilCSTUkABWnRd\",\r\n \"ccxt_config\": {\"enableRateLimit\": true},\r\n \"ccxt_async_config\": {\r\n \"enableRateLimit\": true,\r\n \"rateLimit\": 200\r\n },\r\n \"pair_whitelist\": [\r\n \"BTC\/USDT\",\r\n \"1INCH\/USDT\",\r\n \"AAVE\/USDT\",\r\n \"ACM\/USDT\",\r\n \"ADA\/USDT\",\r\n \"AION\/USDT\",\r\n \"AKRO\/USDT\",\r\n \"ALGO\/USDT\",\r\n \"ALICE\/USDT\",\r\n \"ALPHA\/USDT\",\r\n \"ANKR\/USDT\",\r\n \"ANT\/USDT\",\r\n \"ARDR\/USDT\",\r\n \"ARPA\/USDT\",\r\n \"ASR\/USDT\",\r\n \"ATM\/USDT\",\r\n \"ATOM\/USDT\",\r\n \"AUDIO\/USDT\",\r\n \"AUD\/USDT\",\r\n \"AUTO\/USDT\",\r\n \"AVA\/USDT\",\r\n \"AVAX\/USDT\",\r\n \"AXS\/USDT\",\r\n \"BADGER\/USDT\",\r\n \"BAL\/USDT\",\r\n \"BAND\/USDT\",\r\n \"BAT\/USDT\",\r\n \"BCH\/USDT\",\r\n \"BEAM\/USDT\",\r\n \"BEL\/USDT\",\r\n \"BLZ\/USDT\",\r\n \"BNT\/USDT\",\r\n \"BTCST\/USDT\",\r\n \"BTT\/USDT\",\r\n \"BUSD\/USDT\",\r\n \"BZRX\/USDT\",\r\n \"CAKE\/USDT\",\r\n \"CELO\/USDT\",\r\n \"CELR\/USDT\",\r\n \"CFX\/USDT\",\r\n \"CHR\/USDT\",\r\n \"CHZ\/USDT\",\r\n \"CKB\/USDT\",\r\n \"COCOS\/USDT\",\r\n \"COMP\/USDT\",\r\n \"COS\/USDT\",\r\n \"COTI\/USDT\",\r\n \"CRV\/USDT\",\r\n \"CTK\/USDT\",\r\n \"CTSI\/USDT\",\r\n \"CTXC\/USDT\",\r\n \"CVC\/USDT\",\r\n \"DASH\/USDT\",\r\n \"DATA\/USDT\",\r\n \"DCR\/USDT\",\r\n \"DEGO\/USDT\",\r\n \"DENT\/USDT\",\r\n \"DGB\/USDT\",\r\n \"DIA\/USDT\",\r\n \"DNT\/USDT\",\r\n \"DOCK\/USDT\",\r\n \"DODO\/USDT\",\r\n \"DOGE\/USDT\",\r\n \"DOT\/USDT\",\r\n \"DREP\/USDT\",\r\n \"DUSK\/USDT\",\r\n \"EGLD\/USDT\",\r\n \"ENJ\/USDT\",\r\n \"EOS\/USDT\",\r\n \"EPS\/USDT\",\r\n \"ETC\/USDT\",\r\n \"EUR\/USDT\",\r\n \"FET\/USDT\",\r\n \"FIL\/USDT\",\r\n \"FIO\/USDT\",\r\n \"FIRO\/USDT\",\r\n \"FIS\/USDT\",\r\n \"FLM\/USDT\",\r\n \"FTM\/USDT\",\r\n \"FTT\/USDT\",\r\n \"FUN\/USDT\",\r\n \"GBP\/USDT\",\r\n \"GRT\/USDT\",\r\n \"GTO\/USDT\",\r\n \"GXS\/USDT\",\r\n \"HARD\/USDT\",\r\n \"HBAR\/USDT\",\r\n \"HIVE\/USDT\",\r\n \"HNT\/USDT\",\r\n \"HOT\/USDT\",\r\n \"ICX\/USDT\",\r\n \"INJ\/USDT\",\r\n \"IOST\/USDT\",\r\n \"IOTA\/USDT\",\r\n \"IOTX\/USDT\",\r\n \"IRIS\/USDT\",\r\n \"JST\/USDT\",\r\n \"JUV\/USDT\",\r\n \"KAVA\/USDT\",\r\n \"KEY\/USDT\",\r\n \"KMD\/USDT\",\r\n \"KNC\/USDT\",\r\n \"KSM\/USDT\",\r\n \"LINA\/USDT\",\r\n \"LINK\/USDT\",\r\n \"LIT\/USDT\",\r\n \"LRC\/USDT\",\r\n \"LSK\/USDT\",\r\n \"LTC\/USDT\",\r\n \"LTO\/USDT\",\r\n \"LUNA\/USDT\",\r\n \"MANA\/USDT\",\r\n \"MATIC\/USDT\",\r\n \"MBL\/USDT\",\r\n \"MDT\/USDT\",\r\n \"MFT\/USDT\",\r\n \"MITH\/USDT\",\r\n \"MKR\/USDT\",\r\n \"MTL\/USDT\",\r\n \"NANO\/USDT\",\r\n \"NBS\/USDT\",\r\n \"NEAR\/USDT\",\r\n \"NEO\/USDT\",\r\n \"NMR\/USDT\",\r\n \"NULS\/USDT\",\r\n \"OCEAN\/USDT\",\r\n \"OGN\/USDT\",\r\n \"OG\/USDT\",\r\n \"OMG\/USDT\",\r\n \"OM\/USDT\",\r\n \"ONE\/USDT\",\r\n \"ONG\/USDT\",\r\n \"ONT\/USDT\",\r\n \"ORN\/USDT\",\r\n \"OXT\/USDT\",\r\n \"PAXG\/USDT\",\r\n \"PAX\/USDT\",\r\n \"PERL\/USDT\",\r\n \"PERP\/USDT\",\r\n \"PNT\/USDT\",\r\n \"POND\/USDT\",\r\n \"PSG\/USDT\",\r\n \"PUNDIX\/USDT\",\r\n \"QTUM\/USDT\",\r\n \"RAMP\/USDT\",\r\n \"REEF\/USDT\",\r\n \"REP\/USDT\",\r\n \"RIF\/USDT\",\r\n \"RLC\/USDT\",\r\n \"ROSE\/USDT\",\r\n \"RSR\/USDT\",\r\n \"RUNE\/USDT\",\r\n \"RVN\/USDT\",\r\n \"SAND\/USDT\",\r\n \"SC\/USDT\",\r\n \"SFP\/USDT\",\r\n \"SKL\/USDT\",\r\n \"SNX\/USDT\",\r\n \"SOL\/USDT\",\r\n \"SRM\/USDT\",\r\n \"STMX\/USDT\",\r\n \"STORJ\/USDT\",\r\n \"STPT\/USDT\",\r\n \"STRAX\/USDT\",\r\n \"STX\/USDT\",\r\n \"SUN\/USDT\",\r\n \"SUPER\/USDT\",\r\n \"SUSD\/USDT\",\r\n \"SUSHI\/USDT\",\r\n \"SXP\/USDT\",\r\n \"TCT\/USDT\",\r\n \"TFUEL\/USDT\",\r\n \"THETA\/USDT\",\r\n \"TKO\/USDT\",\r\n \"TOMO\/USDT\",\r\n \"TRB\/USDT\",\r\n \"TROY\/USDT\",\r\n \"TRU\/USDT\",\r\n \"TRX\/USDT\",\r\n \"TUSD\/USDT\",\r\n \"TWT\/USDT\",\r\n \"UMA\/USDT\",\r\n \"UNFI\/USDT\",\r\n \"UNI\/USDT\",\r\n \"USDC\/USDT\",\r\n \"UTK\/USDT\",\r\n \"VET\/USDT\",\r\n \"VITE\/USDT\",\r\n \"VTHO\/USDT\",\r\n \"WAN\/USDT\",\r\n \"WAVES\/USDT\",\r\n \"WING\/USDT\",\r\n \"WIN\/USDT\",\r\n \"WNXM\/USDT\",\r\n \"WRX\/USDT\",\r\n \"WTC\/USDT\",\r\n \"XEM\/USDT\",\r\n \"XLM\/USDT\",\r\n \"XMR\/USDT\",\r\n \"XRP\/USDT\",\r\n \"XTZ\/USDT\",\r\n \"XVS\/USDT\",\r\n \"YFII\/USDT\",\r\n \"YFI\/USDT\",\r\n \"ZEC\/USDT\",\r\n \"ZEN\/USDT\",\r\n \"ZIL\/USDT\",\r\n \"ZRX\/USDT\",\r\n \"BNB\/USDT\",\r\n \"ETH\/USDT\",\r\n \"REN\/USDT\",\r\n \"NKN\/USDT\",\r\n \"BTS\/USDT\"\r\n ],\r\n \"pair_blacklist\": [\r\n \"BNB\/BTC\"\r\n ]\r\n },\r\n \"pairlists\": [\r\n {\"method\": \"StaticPairList\"}\r\n ],\r\n \"edge\": {\r\n \"enabled\": false,\r\n \"process_throttle_secs\": 3600,\r\n \"calculate_since_number_of_days\": 7,\r\n \"allowed_risk\": 0.01,\r\n \"stoploss_range_min\": -0.0001,\r\n \"stoploss_range_max\": -0.1,\r\n \"stoploss_range_step\": -0.0001,\r\n \"minimum_winrate\": 0.60,\r\n \"minimum_expectancy\": 0.20,\r\n \"min_trade_number\": 10,\r\n \"max_trade_duration_minute\": 1440,\r\n \"remove_pumps\": false\r\n },\r\n \"telegram\": {\r\n \"enabled\": false,\r\n \"token\": \"1777355043:AAFV61iE0FgXEkyZEbOdEYfsjldGI3cFehE\",\r\n \"chat_id\": \"1574109528\"\r\n },\r\n \"api_server\": {\r\n \"enabled\": true,\r\n \"listen_ip_address\": \"0.0.0.0\",\r\n \"listen_port\": 8080,\r\n \"verbosity\": \"error\",\r\n \"jwt_secret_key\": \"somethingrandom\",\r\n \"CORS_origins\": [],\r\n \"username\": \"freqtrader\",\r\n \"password\": \"SuperSecurePassword\"\r\n },\r\n \"bot_name\": \"turantrade_bot\",\r\n \"initial_state\": \"running\",\r\n \"forcebuy_enable\": false,\r\n \"internals\": {\r\n \"process_throttle_secs\": 5\r\n },\r\n \"strategy\": \"PortfolioStrategy\"\r\n}"
}POST /deletion
{
"user_id": "user_id",
"trader_id": "trader_id"
}POST /updateImage
{
"user_id": "user_id",
"trader_id": "trader_id"
}$ go build -o ./dist && eval $(minikube docker-env) && make dockerize
# deploy postgres
$ helm repo add bitnami https://charts.bitnami.com/bitnami
$ helm install -f helm-values/postgres.yaml postgres bitnami/postgresql
-------
## go back to repository, wait for postgres and deploy trader
$ kubectl apply -f deployments/trader
## Expose necessary service for testing
$ minikube service --url postgres-postgresql
$ minikube service --url trader-provisioner